25103572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 49329280

約数和(自身を除く): 24225708

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 103, 109, 172, 206, 218, 412, 436, 559, 1118, 1339, 1417, 2236, 2678, 2834, 4429, 4687, 5356, 5668, 8858, 9374, 11227, 17716, 18748, 22454, 44908, 57577, 60931, 115154, 121862, 145951, 230308, 243724, 291902, 482761, 583804, 965522, 1931044, 6275893, 12551786, 25103572]

約数ペア:

[(1, 25103572), (2, 12551786), (4, 6275893), (13, 1931044), (26, 965522), (43, 583804), (52, 482761), (86, 291902), (103, 243724), (109, 230308), (172, 145951), (206, 121862), (218, 115154), (412, 60931), (436, 57577), (559, 44908), (1118, 22454), (1339, 18748), (1417, 17716), (2236, 11227), (2678, 9374), (2834, 8858), (4429, 5668), (4687, 5356)]