1638428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 3265920

約数和(自身を除く): 1627492

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 1619, 3238, 6476, 17809, 35618, 37237, 71236, 74474, 148948, 409607, 819214, 1638428]

約数ペア:

[(1, 1638428), (2, 819214), (4, 409607), (11, 148948), (22, 74474), (23, 71236), (44, 37237), (46, 35618), (92, 17809), (253, 6476), (506, 3238), (1012, 1619)]