15778724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 31281600

約数和(自身を除く): 15502876

約数列:

[1, 2, 4, 13, 26, 37, 52, 59, 74, 118, 139, 148, 236, 278, 481, 556, 767, 962, 1534, 1807, 1924, 2183, 3068, 3614, 4366, 5143, 7228, 8201, 8732, 10286, 16402, 20572, 28379, 32804, 56758, 66859, 106613, 113516, 133718, 213226, 267436, 303437, 426452, 606874, 1213748, 3944681, 7889362, 15778724]

約数ペア:

[(1, 15778724), (2, 7889362), (4, 3944681), (13, 1213748), (26, 606874), (37, 426452), (52, 303437), (59, 267436), (74, 213226), (118, 133718), (139, 113516), (148, 106613), (236, 66859), (278, 56758), (481, 32804), (556, 28379), (767, 20572), (962, 16402), (1534, 10286), (1807, 8732), (1924, 8201), (2183, 7228), (3068, 5143), (3614, 4366)]