681928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 1411200

約数和(自身を除く): 729272

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 83, 104, 158, 166, 316, 332, 632, 664, 1027, 1079, 2054, 2158, 4108, 4316, 6557, 8216, 8632, 13114, 26228, 52456, 85241, 170482, 340964, 681928]

約数ペア:

[(1, 681928), (2, 340964), (4, 170482), (8, 85241), (13, 52456), (26, 26228), (52, 13114), (79, 8632), (83, 8216), (104, 6557), (158, 4316), (166, 4108), (316, 2158), (332, 2054), (632, 1079), (664, 1027)]