221854416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{660281}}^1$

素因数の和:660299

約数の個数: 40

約数和(自身を含む): 654999744

約数和(自身を除く): 433145328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 660281, 1320562, 1980843, 2641124, 3961686, 4621967, 5282248, 7923372, 9243934, 10564496, 13865901, 15846744, 18487868, 27731802, 31693488, 36975736, 55463604, 73951472, 110927208, 221854416]

約数ペア:

[(1, 221854416), (2, 110927208), (3, 73951472), (4, 55463604), (6, 36975736), (7, 31693488), (8, 27731802), (12, 18487868), (14, 15846744), (16, 13865901), (21, 10564496), (24, 9243934), (28, 7923372), (42, 5282248), (48, 4621967), (56, 3961686), (84, 2641124), (112, 1980843), (168, 1320562), (336, 660281)]