64969648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238859}}^1$

素因数の和:238884

約数の個数: 20

約数和(自身を含む): 133283880

約数和(自身を除く): 68314232

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238859, 477718, 955436, 1910872, 3821744, 4060603, 8121206, 16242412, 32484824, 64969648]

約数ペア:

[(1, 64969648), (2, 32484824), (4, 16242412), (8, 8121206), (16, 4060603), (17, 3821744), (34, 1910872), (68, 955436), (136, 477718), (272, 238859)]