25243868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 48421800

約数和(自身を除く): 23177932

約数列:

[1, 2, 4, 13, 26, 52, 107, 169, 214, 338, 349, 428, 676, 698, 1391, 1396, 2782, 4537, 5564, 9074, 18083, 18148, 36166, 37343, 58981, 72332, 74686, 117962, 149372, 235924, 485459, 970918, 1941836, 6310967, 12621934, 25243868]

約数ペア:

[(1, 25243868), (2, 12621934), (4, 6310967), (13, 1941836), (26, 970918), (52, 485459), (107, 235924), (169, 149372), (214, 117962), (338, 74686), (349, 72332), (428, 58981), (676, 37343), (698, 36166), (1391, 18148), (1396, 18083), (2782, 9074), (4537, 5564)]