64457744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18229}}^1$

素因数の和:18267

約数の個数: 40

約数和(自身を含む): 142412760

約数和(自身を除く): 77955016

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 18229, 36458, 72916, 145832, 236977, 291664, 309893, 473954, 619786, 947908, 1239572, 1895816, 2479144, 3791632, 4028609, 4958288, 8057218, 16114436, 32228872, 64457744]

約数ペア:

[(1, 64457744), (2, 32228872), (4, 16114436), (8, 8057218), (13, 4958288), (16, 4028609), (17, 3791632), (26, 2479144), (34, 1895816), (52, 1239572), (68, 947908), (104, 619786), (136, 473954), (208, 309893), (221, 291664), (272, 236977), (442, 145832), (884, 72916), (1768, 36458), (3536, 18229)]