1640761458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{438941}}^1$

素因数の和:439042

約数の個数: 32

約数和(自身を含む): 3792458880

約数和(自身を除く): 2151697422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 438941, 877882, 1316823, 2633646, 3072587, 6145174, 9217761, 18435522, 39065749, 78131498, 117197247, 234394494, 273460243, 546920486, 820380729, 1640761458]

約数ペア:

[(1, 1640761458), (2, 820380729), (3, 546920486), (6, 273460243), (7, 234394494), (14, 117197247), (21, 78131498), (42, 39065749), (89, 18435522), (178, 9217761), (267, 6145174), (534, 3072587), (623, 2633646), (1246, 1316823), (1869, 877882), (3738, 438941)]