671440432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{189887}}^1$

素因数の和:189925

約数の個数: 40

約数和(自身を含む): 1483405056

約数和(自身を除く): 811964624

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 189887, 379774, 759548, 1519096, 2468531, 3038192, 3228079, 4937062, 6456158, 9874124, 12912316, 19748248, 25824632, 39496496, 41965027, 51649264, 83930054, 167860108, 335720216, 671440432]

約数ペア:

[(1, 671440432), (2, 335720216), (4, 167860108), (8, 83930054), (13, 51649264), (16, 41965027), (17, 39496496), (26, 25824632), (34, 19748248), (52, 12912316), (68, 9874124), (104, 6456158), (136, 4937062), (208, 3228079), (221, 3038192), (272, 2468531), (442, 1519096), (884, 759548), (1768, 379774), (3536, 189887)]