71638008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 133993992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 67, 69, 78, 92, 104, 134, 138, 149, 156, 184, 201, 268, 276, 298, 299, 312, 402, 447, 536, 552, 596, 598, 804, 871, 894, 897, 1192, 1196, 1541, 1608, 1742, 1788, 1794, 1937, 2392, 2613, 3082, 3427, 3484, 3576, 3588, 3874, 4623, 5226, 5811, 6164, 6854, 6968, 7176, 7748, 9246, 9983, 10281, 10452, 11622, 12328, 13708, 15496, 18492, 19966, 20033, 20562, 20904, 23244, 27416, 29949, 36984, 39932, 40066, 41124, 44551, 46488, 59898, 60099, 79864, 80132, 82248, 89102, 119796, 120198, 129779, 133653, 160264, 178204, 229609, 239592, 240396, 259558, 267306, 356408, 389337, 459218, 480792, 519116, 534612, 688827, 778674, 918436, 1038232, 1069224, 1377654, 1557348, 1836872, 2755308, 2984917, 3114696, 5510616, 5969834, 8954751, 11939668, 17909502, 23879336, 35819004, 71638008]

約数ペア:

[(1, 71638008), (2, 35819004), (3, 23879336), (4, 17909502), (6, 11939668), (8, 8954751), (12, 5969834), (13, 5510616), (23, 3114696), (24, 2984917), (26, 2755308), (39, 1836872), (46, 1557348), (52, 1377654), (67, 1069224), (69, 1038232), (78, 918436), (92, 778674), (104, 688827), (134, 534612), (138, 519116), (149, 480792), (156, 459218), (184, 389337), (201, 356408), (268, 267306), (276, 259558), (298, 240396), (299, 239592), (312, 229609), (402, 178204), (447, 160264), (536, 133653), (552, 129779), (596, 120198), (598, 119796), (804, 89102), (871, 82248), (894, 80132), (897, 79864), (1192, 60099), (1196, 59898), (1541, 46488), (1608, 44551), (1742, 41124), (1788, 40066), (1794, 39932), (1937, 36984), (2392, 29949), (2613, 27416), (3082, 23244), (3427, 20904), (3484, 20562), (3576, 20033), (3588, 19966), (3874, 18492), (4623, 15496), (5226, 13708), (5811, 12328), (6164, 11622), (6854, 10452), (6968, 10281), (7176, 9983), (7748, 9246)]