391323248

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{661019}}^1$

素因数の和:661064

約数の個数: 20

約数和(自身を含む): 778681560

約数和(自身を除く): 387358312

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 661019, 1322038, 2644076, 5288152, 10576304, 24457703, 48915406, 97830812, 195661624, 391323248]

約数ペア:

[(1, 391323248), (2, 195661624), (4, 97830812), (8, 48915406), (16, 24457703), (37, 10576304), (74, 5288152), (148, 2644076), (296, 1322038), (592, 661019)]