15978704

素因数分解:

$2^4\times 7^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 36576900

約数和(自身を除く): 20598196

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 229, 356, 392, 458, 623, 712, 784, 916, 1246, 1424, 1603, 1832, 2492, 3206, 3664, 4361, 4984, 6412, 8722, 9968, 11221, 12824, 17444, 20381, 22442, 25648, 34888, 40762, 44884, 69776, 81524, 89768, 142667, 163048, 179536, 285334, 326096, 570668, 998669, 1141336, 1997338, 2282672, 3994676, 7989352, 15978704]

約数ペア:

[(1, 15978704), (2, 7989352), (4, 3994676), (7, 2282672), (8, 1997338), (14, 1141336), (16, 998669), (28, 570668), (49, 326096), (56, 285334), (89, 179536), (98, 163048), (112, 142667), (178, 89768), (196, 81524), (229, 69776), (356, 44884), (392, 40762), (458, 34888), (623, 25648), (712, 22442), (784, 20381), (916, 17444), (1246, 12824), (1424, 11221), (1603, 9968), (1832, 8722), (2492, 6412), (3206, 4984), (3664, 4361)]