643378346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{5557}}^1$

素因数の和:5706

約数の個数: 32

約数和(自身を含む): 1071004368

約数和(自身を除く): 427626022

約数列:

[1, 2, 13, 26, 61, 73, 122, 146, 793, 949, 1586, 1898, 4453, 5557, 8906, 11114, 57889, 72241, 115778, 144482, 338977, 405661, 677954, 811322, 4406701, 5273593, 8813402, 10547186, 24745321, 49490642, 321689173, 643378346]

約数ペア:

[(1, 643378346), (2, 321689173), (13, 49490642), (26, 24745321), (61, 10547186), (73, 8813402), (122, 5273593), (146, 4406701), (793, 811322), (949, 677954), (1586, 405661), (1898, 338977), (4453, 144482), (5557, 115778), (8906, 72241), (11114, 57889)]