31557448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 67032000

約数和(自身を除く): 35474552

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 59, 74, 104, 118, 139, 148, 236, 278, 296, 472, 481, 556, 767, 962, 1112, 1534, 1807, 1924, 2183, 3068, 3614, 3848, 4366, 5143, 6136, 7228, 8201, 8732, 10286, 14456, 16402, 17464, 20572, 28379, 32804, 41144, 56758, 65608, 66859, 106613, 113516, 133718, 213226, 227032, 267436, 303437, 426452, 534872, 606874, 852904, 1213748, 2427496, 3944681, 7889362, 15778724, 31557448]

約数ペア:

[(1, 31557448), (2, 15778724), (4, 7889362), (8, 3944681), (13, 2427496), (26, 1213748), (37, 852904), (52, 606874), (59, 534872), (74, 426452), (104, 303437), (118, 267436), (139, 227032), (148, 213226), (236, 133718), (278, 113516), (296, 106613), (472, 66859), (481, 65608), (556, 56758), (767, 41144), (962, 32804), (1112, 28379), (1534, 20572), (1807, 17464), (1924, 16402), (2183, 14456), (3068, 10286), (3614, 8732), (3848, 8201), (4366, 7228), (5143, 6136)]