1280453408

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{12263}}^1$

素因数の和:12537

約数の個数: 48

約数和(自身を含む): 2725845696

約数和(自身を除く): 1445392288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 251, 416, 502, 1004, 2008, 3263, 4016, 6526, 8032, 12263, 13052, 24526, 26104, 49052, 52208, 98104, 104416, 159419, 196208, 318838, 392416, 637676, 1275352, 2550704, 3078013, 5101408, 6156026, 12312052, 24624104, 40014169, 49248208, 80028338, 98496416, 160056676, 320113352, 640226704, 1280453408]

約数ペア:

[(1, 1280453408), (2, 640226704), (4, 320113352), (8, 160056676), (13, 98496416), (16, 80028338), (26, 49248208), (32, 40014169), (52, 24624104), (104, 12312052), (208, 6156026), (251, 5101408), (416, 3078013), (502, 2550704), (1004, 1275352), (2008, 637676), (3263, 392416), (4016, 318838), (6526, 196208), (8032, 159419), (12263, 104416), (13052, 98104), (24526, 52208), (26104, 49052)]