161303792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1229}}^1$

素因数の和:1881

約数の個数: 40

約数和(自身を含む): 337374240

約数和(自身を除く): 176070448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631, 1229, 1262, 2458, 2524, 4916, 5048, 8203, 9832, 10096, 15977, 16406, 19664, 31954, 32812, 63908, 65624, 127816, 131248, 255632, 775499, 1550998, 3101996, 6203992, 10081487, 12407984, 20162974, 40325948, 80651896, 161303792]

約数ペア:

[(1, 161303792), (2, 80651896), (4, 40325948), (8, 20162974), (13, 12407984), (16, 10081487), (26, 6203992), (52, 3101996), (104, 1550998), (208, 775499), (631, 255632), (1229, 131248), (1262, 127816), (2458, 65624), (2524, 63908), (4916, 32812), (5048, 31954), (8203, 19664), (9832, 16406), (10096, 15977)]