647598313208

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1994869}}^1$

素因数の和:1994941

約数の個数: 128

約数和(自身を含む): 1654624972800

約数和(自身を除く): 1007026659592

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 31, 34, 44, 56, 62, 68, 77, 88, 119, 124, 136, 154, 187, 217, 238, 248, 308, 341, 374, 434, 476, 527, 616, 682, 748, 868, 952, 1054, 1309, 1364, 1496, 1736, 2108, 2387, 2618, 2728, 3689, 4216, 4774, 5236, 5797, 7378, 9548, 10472, 11594, 14756, 19096, 23188, 29512, 40579, 46376, 81158, 162316, 324632, 1994869, 3989738, 7979476, 13964083, 15958952, 21943559, 27928166, 33912773, 43887118, 55856332, 61840939, 67825546, 87774236, 111712664, 123681878, 135651092, 153604913, 175548472, 237389411, 247363756, 271302184, 307209826, 373040503, 432886573, 474778822, 494727512, 614419652, 680250329, 746081006, 865773146, 949557644, 1051295963, 1228839304, 1360500658, 1492162012, 1731546292, 1899115288, 2102591926, 2611283521, 2721001316, 2984324024, 3463092584, 4205183852, 4761752303, 5222567042, 5442002632, 7359071741, 8410367704, 9523504606, 10445134084, 11564255593, 14718143482, 19047009212, 20890268168, 23128511186, 29436286964, 38094018424, 46257022372, 58872573928, 80949789151, 92514044744, 161899578302, 323799156604, 647598313208]

約数ペア:

[(1, 647598313208), (2, 323799156604), (4, 161899578302), (7, 92514044744), (8, 80949789151), (11, 58872573928), (14, 46257022372), (17, 38094018424), (22, 29436286964), (28, 23128511186), (31, 20890268168), (34, 19047009212), (44, 14718143482), (56, 11564255593), (62, 10445134084), (68, 9523504606), (77, 8410367704), (88, 7359071741), (119, 5442002632), (124, 5222567042), (136, 4761752303), (154, 4205183852), (187, 3463092584), (217, 2984324024), (238, 2721001316), (248, 2611283521), (308, 2102591926), (341, 1899115288), (374, 1731546292), (434, 1492162012), (476, 1360500658), (527, 1228839304), (616, 1051295963), (682, 949557644), (748, 865773146), (868, 746081006), (952, 680250329), (1054, 614419652), (1309, 494727512), (1364, 474778822), (1496, 432886573), (1736, 373040503), (2108, 307209826), (2387, 271302184), (2618, 247363756), (2728, 237389411), (3689, 175548472), (4216, 153604913), (4774, 135651092), (5236, 123681878), (5797, 111712664), (7378, 87774236), (9548, 67825546), (10472, 61840939), (11594, 55856332), (14756, 43887118), (19096, 33912773), (23188, 27928166), (29512, 21943559), (40579, 15958952), (46376, 13964083), (81158, 7979476), (162316, 3989738), (324632, 1994869)]