25390574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 20695186

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 139, 209, 253, 278, 361, 418, 437, 506, 722, 874, 1529, 2641, 3058, 3197, 3971, 4807, 5282, 6394, 7942, 8303, 9614, 16606, 29051, 35167, 50179, 58102, 60743, 70334, 91333, 100358, 121486, 182666, 551969, 668173, 1103938, 1154117, 1336346, 2308234, 12695287, 25390574]

約数ペア:

[(1, 25390574), (2, 12695287), (11, 2308234), (19, 1336346), (22, 1154117), (23, 1103938), (38, 668173), (46, 551969), (139, 182666), (209, 121486), (253, 100358), (278, 91333), (361, 70334), (418, 60743), (437, 58102), (506, 50179), (722, 35167), (874, 29051), (1529, 16606), (2641, 9614), (3058, 8303), (3197, 7942), (3971, 6394), (4807, 5282)]