71289456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 211438848

約数和(自身を除く): 140149392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 331, 336, 641, 662, 993, 1282, 1324, 1923, 1986, 2317, 2564, 2648, 3846, 3972, 4487, 4634, 5128, 5296, 6951, 7692, 7944, 8974, 9268, 10256, 13461, 13902, 15384, 15888, 17948, 18536, 26922, 27804, 30768, 35896, 37072, 53844, 55608, 71792, 107688, 111216, 212171, 215376, 424342, 636513, 848684, 1273026, 1485197, 1697368, 2546052, 2970394, 3394736, 4455591, 5092104, 5940788, 8911182, 10184208, 11881576, 17822364, 23763152, 35644728, 71289456]

約数ペア:

[(1, 71289456), (2, 35644728), (3, 23763152), (4, 17822364), (6, 11881576), (7, 10184208), (8, 8911182), (12, 5940788), (14, 5092104), (16, 4455591), (21, 3394736), (24, 2970394), (28, 2546052), (42, 1697368), (48, 1485197), (56, 1273026), (84, 848684), (112, 636513), (168, 424342), (331, 215376), (336, 212171), (641, 111216), (662, 107688), (993, 71792), (1282, 55608), (1324, 53844), (1923, 37072), (1986, 35896), (2317, 30768), (2564, 27804), (2648, 26922), (3846, 18536), (3972, 17948), (4487, 15888), (4634, 15384), (5128, 13902), (5296, 13461), (6951, 10256), (7692, 9268), (7944, 8974)]