261129492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 753392640

約数和(自身を除く): 492263148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 41, 52, 62, 78, 82, 93, 117, 123, 124, 156, 164, 186, 234, 246, 279, 369, 372, 403, 439, 468, 492, 533, 558, 738, 806, 878, 1066, 1116, 1209, 1271, 1317, 1476, 1599, 1612, 1756, 2132, 2418, 2542, 2634, 3198, 3627, 3813, 3951, 4797, 4836, 5084, 5268, 5707, 6396, 7254, 7626, 7902, 9594, 11414, 11439, 13609, 14508, 15252, 15804, 16523, 17121, 17999, 19188, 22828, 22878, 27218, 33046, 34242, 35998, 40827, 45756, 49569, 51363, 53997, 54436, 66092, 68484, 71996, 81654, 99138, 102726, 107994, 122481, 148707, 161991, 163308, 176917, 198276, 205452, 215988, 233987, 244962, 297414, 323982, 353834, 467974, 489924, 530751, 557969, 594828, 647964, 701961, 707668, 935948, 1061502, 1115938, 1403922, 1592253, 1673907, 2105883, 2123004, 2231876, 2807844, 3184506, 3347814, 4211766, 5021721, 6369012, 6695628, 7253597, 8423532, 10043442, 14507194, 20086884, 21760791, 29014388, 43521582, 65282373, 87043164, 130564746, 261129492]

約数ペア:

[(1, 261129492), (2, 130564746), (3, 87043164), (4, 65282373), (6, 43521582), (9, 29014388), (12, 21760791), (13, 20086884), (18, 14507194), (26, 10043442), (31, 8423532), (36, 7253597), (39, 6695628), (41, 6369012), (52, 5021721), (62, 4211766), (78, 3347814), (82, 3184506), (93, 2807844), (117, 2231876), (123, 2123004), (124, 2105883), (156, 1673907), (164, 1592253), (186, 1403922), (234, 1115938), (246, 1061502), (279, 935948), (369, 707668), (372, 701961), (403, 647964), (439, 594828), (468, 557969), (492, 530751), (533, 489924), (558, 467974), (738, 353834), (806, 323982), (878, 297414), (1066, 244962), (1116, 233987), (1209, 215988), (1271, 205452), (1317, 198276), (1476, 176917), (1599, 163308), (1612, 161991), (1756, 148707), (2132, 122481), (2418, 107994), (2542, 102726), (2634, 99138), (3198, 81654), (3627, 71996), (3813, 68484), (3951, 66092), (4797, 54436), (4836, 53997), (5084, 51363), (5268, 49569), (5707, 45756), (6396, 40827), (7254, 35998), (7626, 34242), (7902, 33046), (9594, 27218), (11414, 22878), (11439, 22828), (13609, 19188), (14508, 17999), (15252, 17121), (15804, 16523)]