161408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:124

約数の個数: 32

約数和(自身を含む): 349860

約数和(自身を除く): 188452

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 208, 388, 416, 776, 832, 1261, 1552, 1664, 2522, 3104, 5044, 6208, 10088, 12416, 20176, 40352, 80704, 161408]

約数ペア:

[(1, 161408), (2, 80704), (4, 40352), (8, 20176), (13, 12416), (16, 10088), (26, 6208), (32, 5044), (52, 3104), (64, 2522), (97, 1664), (104, 1552), (128, 1261), (194, 832), (208, 776), (388, 416)]