99919428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 273873600

約数和(自身を除く): 173954172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 588, 654, 763, 1308, 1526, 1559, 2289, 3052, 3118, 4578, 4677, 5341, 6236, 9156, 9354, 10682, 10913, 16023, 18708, 21364, 21826, 32046, 32739, 43652, 64092, 65478, 76391, 130956, 152782, 169931, 229173, 305564, 339862, 458346, 509793, 679724, 916692, 1019586, 1189517, 2039172, 2379034, 3568551, 4758068, 7137102, 8326619, 14274204, 16653238, 24979857, 33306476, 49959714, 99919428]

約数ペア:

[(1, 99919428), (2, 49959714), (3, 33306476), (4, 24979857), (6, 16653238), (7, 14274204), (12, 8326619), (14, 7137102), (21, 4758068), (28, 3568551), (42, 2379034), (49, 2039172), (84, 1189517), (98, 1019586), (109, 916692), (147, 679724), (196, 509793), (218, 458346), (294, 339862), (327, 305564), (436, 229173), (588, 169931), (654, 152782), (763, 130956), (1308, 76391), (1526, 65478), (1559, 64092), (2289, 43652), (3052, 32739), (3118, 32046), (4578, 21826), (4677, 21364), (5341, 18708), (6236, 16023), (9156, 10913), (9354, 10682)]