64721696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{155581}}^1$

素因数の和:155604

約数の個数: 24

約数和(自身を含む): 137223324

約数和(自身を除く): 72501628

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 155581, 311162, 622324, 1244648, 2022553, 2489296, 4045106, 4978592, 8090212, 16180424, 32360848, 64721696]

約数ペア:

[(1, 64721696), (2, 32360848), (4, 16180424), (8, 8090212), (13, 4978592), (16, 4045106), (26, 2489296), (32, 2022553), (52, 1244648), (104, 622324), (208, 311162), (416, 155581)]