81799452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 144

約数和(自身を含む): 251410432

約数和(自身を除く): 169610980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 37, 42, 62, 63, 74, 84, 93, 111, 124, 126, 148, 186, 217, 222, 252, 259, 279, 283, 333, 372, 434, 444, 518, 558, 566, 651, 666, 777, 849, 868, 1036, 1116, 1132, 1147, 1302, 1332, 1554, 1698, 1953, 1981, 2294, 2331, 2547, 2604, 3108, 3396, 3441, 3906, 3962, 4588, 4662, 5094, 5943, 6882, 7812, 7924, 8029, 8773, 9324, 10188, 10323, 10471, 11886, 13764, 16058, 17546, 17829, 20646, 20942, 23772, 24087, 26319, 31413, 32116, 35092, 35658, 41292, 41884, 48174, 52638, 61411, 62826, 71316, 72261, 73297, 78957, 94239, 96348, 105276, 122822, 125652, 144522, 146594, 157914, 184233, 188478, 219891, 245644, 289044, 293188, 315828, 324601, 368466, 376956, 439782, 552699, 649202, 659673, 736932, 879564, 973803, 1105398, 1298404, 1319346, 1947606, 2210796, 2272207, 2638692, 2921409, 3895212, 4544414, 5842818, 6816621, 9088828, 11685636, 13633242, 20449863, 27266484, 40899726, 81799452]

約数ペア:

[(1, 81799452), (2, 40899726), (3, 27266484), (4, 20449863), (6, 13633242), (7, 11685636), (9, 9088828), (12, 6816621), (14, 5842818), (18, 4544414), (21, 3895212), (28, 2921409), (31, 2638692), (36, 2272207), (37, 2210796), (42, 1947606), (62, 1319346), (63, 1298404), (74, 1105398), (84, 973803), (93, 879564), (111, 736932), (124, 659673), (126, 649202), (148, 552699), (186, 439782), (217, 376956), (222, 368466), (252, 324601), (259, 315828), (279, 293188), (283, 289044), (333, 245644), (372, 219891), (434, 188478), (444, 184233), (518, 157914), (558, 146594), (566, 144522), (651, 125652), (666, 122822), (777, 105276), (849, 96348), (868, 94239), (1036, 78957), (1116, 73297), (1132, 72261), (1147, 71316), (1302, 62826), (1332, 61411), (1554, 52638), (1698, 48174), (1953, 41884), (1981, 41292), (2294, 35658), (2331, 35092), (2547, 32116), (2604, 31413), (3108, 26319), (3396, 24087), (3441, 23772), (3906, 20942), (3962, 20646), (4588, 17829), (4662, 17546), (5094, 16058), (5943, 13764), (6882, 11886), (7812, 10471), (7924, 10323), (8029, 10188), (8773, 9324)]