215480944

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18679}}^1$

素因数の和:18797

約数の個数: 40

約数和(自身を含む): 481794560

約数和(自身を除く): 266313616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 18679, 37358, 74716, 130753, 149432, 261506, 298864, 523012, 1046024, 1923937, 2092048, 3847874, 7695748, 13467559, 15391496, 26935118, 30782992, 53870236, 107740472, 215480944]

約数ペア:

[(1, 215480944), (2, 107740472), (4, 53870236), (7, 30782992), (8, 26935118), (14, 15391496), (16, 13467559), (28, 7695748), (56, 3847874), (103, 2092048), (112, 1923937), (206, 1046024), (412, 523012), (721, 298864), (824, 261506), (1442, 149432), (1648, 130753), (2884, 74716), (5768, 37358), (11536, 18679)]