245017838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1129}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 420305760

約数和(自身を除く): 175287922

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 491, 982, 1129, 2258, 6383, 8347, 12766, 14677, 16694, 19193, 29354, 38386, 108511, 217022, 249509, 499018, 554339, 1108678, 7206407, 9423763, 14412814, 18847526, 122508919, 245017838]

約数ペア:

[(1, 245017838), (2, 122508919), (13, 18847526), (17, 14412814), (26, 9423763), (34, 7206407), (221, 1108678), (442, 554339), (491, 499018), (982, 249509), (1129, 217022), (2258, 108511), (6383, 38386), (8347, 29354), (12766, 19193), (14677, 16694)]