65561756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 128066400

約数和(自身を除く): 62504644

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 109, 172, 218, 269, 436, 538, 559, 1076, 1118, 1417, 2236, 2834, 3497, 4687, 5668, 6994, 9374, 11567, 13988, 18748, 23134, 29321, 46268, 58642, 60931, 117284, 121862, 150371, 243724, 300742, 381173, 601484, 762346, 1260803, 1524692, 2521606, 5043212, 16390439, 32780878, 65561756]

約数ペア:

[(1, 65561756), (2, 32780878), (4, 16390439), (13, 5043212), (26, 2521606), (43, 1524692), (52, 1260803), (86, 762346), (109, 601484), (172, 381173), (218, 300742), (269, 243724), (436, 150371), (538, 121862), (559, 117284), (1076, 60931), (1118, 58642), (1417, 46268), (2236, 29321), (2834, 23134), (3497, 18748), (4687, 13988), (5668, 11567), (6994, 9374)]