25411645

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 38413440

約数和(自身を除く): 13001795

約数列:

[1, 5, 7, 19, 35, 49, 53, 95, 103, 133, 245, 265, 371, 515, 665, 721, 931, 1007, 1855, 1957, 2597, 3605, 4655, 5035, 5047, 5459, 7049, 9785, 12985, 13699, 25235, 27295, 35245, 38213, 49343, 68495, 95893, 103721, 191065, 246715, 267491, 479465, 518605, 726047, 1337455, 3630235, 5082329, 25411645]

約数ペア:

[(1, 25411645), (5, 5082329), (7, 3630235), (19, 1337455), (35, 726047), (49, 518605), (53, 479465), (95, 267491), (103, 246715), (133, 191065), (245, 103721), (265, 95893), (371, 68495), (515, 49343), (665, 38213), (721, 35245), (931, 27295), (1007, 25235), (1855, 13699), (1957, 12985), (2597, 9785), (3605, 7049), (4655, 5459), (5035, 5047)]