788019876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{677}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 2369203200

約数和(自身を除く): 1581183324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 149, 186, 217, 252, 279, 298, 372, 434, 447, 558, 596, 651, 677, 868, 894, 1043, 1116, 1302, 1341, 1354, 1788, 1953, 2031, 2086, 2604, 2682, 2708, 3129, 3906, 4062, 4172, 4619, 4739, 5364, 6093, 6258, 7812, 8124, 9238, 9387, 9478, 12186, 12516, 13857, 14217, 18476, 18774, 18956, 20987, 24372, 27714, 28434, 32333, 37548, 41571, 41974, 42651, 55428, 56868, 62961, 64666, 83142, 83948, 85302, 96999, 100873, 125922, 129332, 146909, 166284, 170604, 188883, 193998, 201746, 251844, 290997, 293818, 302619, 377766, 387996, 403492, 440727, 581994, 587636, 605238, 706111, 755532, 881454, 907857, 1163988, 1210476, 1322181, 1412222, 1762908, 1815714, 2118333, 2644362, 2824444, 3127063, 3631428, 4236666, 5288724, 6254126, 6354999, 8473332, 9381189, 12508252, 12709998, 18762378, 21889441, 25419996, 28143567, 37524756, 43778882, 56287134, 65668323, 87557764, 112574268, 131336646, 197004969, 262673292, 394009938, 788019876]

約数ペア:

[(1, 788019876), (2, 394009938), (3, 262673292), (4, 197004969), (6, 131336646), (7, 112574268), (9, 87557764), (12, 65668323), (14, 56287134), (18, 43778882), (21, 37524756), (28, 28143567), (31, 25419996), (36, 21889441), (42, 18762378), (62, 12709998), (63, 12508252), (84, 9381189), (93, 8473332), (124, 6354999), (126, 6254126), (149, 5288724), (186, 4236666), (217, 3631428), (252, 3127063), (279, 2824444), (298, 2644362), (372, 2118333), (434, 1815714), (447, 1762908), (558, 1412222), (596, 1322181), (651, 1210476), (677, 1163988), (868, 907857), (894, 881454), (1043, 755532), (1116, 706111), (1302, 605238), (1341, 587636), (1354, 581994), (1788, 440727), (1953, 403492), (2031, 387996), (2086, 377766), (2604, 302619), (2682, 293818), (2708, 290997), (3129, 251844), (3906, 201746), (4062, 193998), (4172, 188883), (4619, 170604), (4739, 166284), (5364, 146909), (6093, 129332), (6258, 125922), (7812, 100873), (8124, 96999), (9238, 85302), (9387, 83948), (9478, 83142), (12186, 64666), (12516, 62961), (13857, 56868), (14217, 55428), (18476, 42651), (18774, 41974), (18956, 41571), (20987, 37548), (24372, 32333), (27714, 28434)]