331319807

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 427714560

約数和(自身を除く): 96394753

約数列:

[1, 7, 13, 23, 91, 161, 299, 311, 509, 2093, 2177, 3563, 4043, 6617, 7153, 11707, 28301, 46319, 50071, 81949, 92989, 152191, 158299, 650923, 1065337, 1108093, 2057887, 3640877, 14405209, 25486139, 47331401, 331319807]

約数ペア:

[(1, 331319807), (7, 47331401), (13, 25486139), (23, 14405209), (91, 3640877), (161, 2057887), (299, 1108093), (311, 1065337), (509, 650923), (2093, 158299), (2177, 152191), (3563, 92989), (4043, 81949), (6617, 50071), (7153, 46319), (11707, 28301)]