1946945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 3144960

約数和(自身を除く): 1198015

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 389, 455, 715, 1001, 1945, 2723, 4279, 5005, 5057, 13615, 21395, 25285, 29953, 35399, 55627, 149765, 176995, 278135, 389389, 1946945]

約数ペア:

[(1, 1946945), (5, 389389), (7, 278135), (11, 176995), (13, 149765), (35, 55627), (55, 35399), (65, 29953), (77, 25285), (91, 21395), (143, 13615), (385, 5057), (389, 5005), (455, 4279), (715, 2723), (1001, 1945)]