397247984

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 909340608

約数和(自身を除く): 512092624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 257, 259, 296, 373, 514, 518, 592, 746, 1028, 1036, 1492, 1799, 2056, 2072, 2611, 2984, 3598, 4112, 4144, 5222, 5968, 7196, 9509, 10444, 13801, 14392, 19018, 20888, 27602, 28784, 38036, 41776, 55204, 66563, 76072, 95861, 96607, 110408, 133126, 152144, 191722, 193214, 220816, 266252, 383444, 386428, 532504, 671027, 766888, 772856, 1065008, 1342054, 1533776, 1545712, 2684108, 3546857, 5368216, 7093714, 10736432, 14187428, 24827999, 28374856, 49655998, 56749712, 99311996, 198623992, 397247984]

約数ペア:

[(1, 397247984), (2, 198623992), (4, 99311996), (7, 56749712), (8, 49655998), (14, 28374856), (16, 24827999), (28, 14187428), (37, 10736432), (56, 7093714), (74, 5368216), (112, 3546857), (148, 2684108), (257, 1545712), (259, 1533776), (296, 1342054), (373, 1065008), (514, 772856), (518, 766888), (592, 671027), (746, 532504), (1028, 386428), (1036, 383444), (1492, 266252), (1799, 220816), (2056, 193214), (2072, 191722), (2611, 152144), (2984, 133126), (3598, 110408), (4112, 96607), (4144, 95861), (5222, 76072), (5968, 66563), (7196, 55204), (9509, 41776), (10444, 38036), (13801, 28784), (14392, 27602), (19018, 20888)]