397314978028

素因数分解:

$2^2\times {\mathrm{487}}^1\times {\mathrm{3331}}^1\times {\mathrm{61231}}^1$

素因数の和:65053

約数の個数: 24

約数和(自身を含む): 696949481984

約数和(自身を除く): 299634503956

約数列:

[1, 2, 4, 487, 974, 1948, 3331, 6662, 13324, 61231, 122462, 244924, 1622197, 3244394, 6488788, 29819497, 59638994, 119277988, 203960461, 407920922, 815841844, 99328744507, 198657489014, 397314978028]

約数ペア:

[(1, 397314978028), (2, 198657489014), (4, 99328744507), (487, 815841844), (974, 407920922), (1948, 203960461), (3331, 119277988), (6662, 59638994), (13324, 29819497), (61231, 6488788), (122462, 3244394), (244924, 1622197)]