128782416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{383281}}^1$

素因数の和:383299

約数の個数: 40

約数和(自身を含む): 380215744

約数和(自身を除く): 251433328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 383281, 766562, 1149843, 1533124, 2299686, 2682967, 3066248, 4599372, 5365934, 6132496, 8048901, 9198744, 10731868, 16097802, 18397488, 21463736, 32195604, 42927472, 64391208, 128782416]

約数ペア:

[(1, 128782416), (2, 64391208), (3, 42927472), (4, 32195604), (6, 21463736), (7, 18397488), (8, 16097802), (12, 10731868), (14, 9198744), (16, 8048901), (21, 6132496), (24, 5365934), (28, 4599372), (42, 3066248), (48, 2682967), (56, 2299686), (84, 1533124), (112, 1149843), (168, 766562), (336, 383281)]