678889764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4283}}^1$

素因数の和:4354

約数の個数: 144

約数和(自身を含む): 2133226368

約数和(自身を除く): 1454336604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 37, 42, 51, 63, 68, 74, 84, 102, 111, 119, 126, 148, 153, 204, 222, 238, 252, 259, 306, 333, 357, 444, 476, 518, 612, 629, 666, 714, 777, 1036, 1071, 1258, 1332, 1428, 1554, 1887, 2142, 2331, 2516, 3108, 3774, 4283, 4284, 4403, 4662, 5661, 7548, 8566, 8806, 9324, 11322, 12849, 13209, 17132, 17612, 22644, 25698, 26418, 29981, 38547, 39627, 51396, 52836, 59962, 72811, 77094, 79254, 89943, 119924, 145622, 154188, 158471, 158508, 179886, 218433, 269829, 291244, 316942, 359772, 436866, 475413, 509677, 539658, 633884, 655299, 873732, 950826, 1019354, 1079316, 1109297, 1310598, 1426239, 1529031, 1901652, 2038708, 2218594, 2621196, 2694007, 2852478, 3058062, 3327891, 4437188, 4587093, 5388014, 5704956, 6116124, 6655782, 8082021, 9174186, 9983673, 10776028, 13311564, 16164042, 18348372, 18858049, 19967346, 24246063, 32328084, 37716098, 39934692, 48492126, 56574147, 75432196, 96984252, 113148294, 169722441, 226296588, 339444882, 678889764]

約数ペア:

[(1, 678889764), (2, 339444882), (3, 226296588), (4, 169722441), (6, 113148294), (7, 96984252), (9, 75432196), (12, 56574147), (14, 48492126), (17, 39934692), (18, 37716098), (21, 32328084), (28, 24246063), (34, 19967346), (36, 18858049), (37, 18348372), (42, 16164042), (51, 13311564), (63, 10776028), (68, 9983673), (74, 9174186), (84, 8082021), (102, 6655782), (111, 6116124), (119, 5704956), (126, 5388014), (148, 4587093), (153, 4437188), (204, 3327891), (222, 3058062), (238, 2852478), (252, 2694007), (259, 2621196), (306, 2218594), (333, 2038708), (357, 1901652), (444, 1529031), (476, 1426239), (518, 1310598), (612, 1109297), (629, 1079316), (666, 1019354), (714, 950826), (777, 873732), (1036, 655299), (1071, 633884), (1258, 539658), (1332, 509677), (1428, 475413), (1554, 436866), (1887, 359772), (2142, 316942), (2331, 291244), (2516, 269829), (3108, 218433), (3774, 179886), (4283, 158508), (4284, 158471), (4403, 154188), (4662, 145622), (5661, 119924), (7548, 89943), (8566, 79254), (8806, 77094), (9324, 72811), (11322, 59962), (12849, 52836), (13209, 51396), (17132, 39627), (17612, 38547), (22644, 29981), (25698, 26418)]