25380404

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 52459008

約数和(自身を除く): 27078604

約数列:

[1, 2, 4, 7, 14, 28, 67, 83, 134, 163, 166, 268, 326, 332, 469, 581, 652, 938, 1141, 1162, 1876, 2282, 2324, 4564, 5561, 10921, 11122, 13529, 21842, 22244, 27058, 38927, 43684, 54116, 76447, 77854, 94703, 152894, 155708, 189406, 305788, 378812, 906443, 1812886, 3625772, 6345101, 12690202, 25380404]

約数ペア:

[(1, 25380404), (2, 12690202), (4, 6345101), (7, 3625772), (14, 1812886), (28, 906443), (67, 378812), (83, 305788), (134, 189406), (163, 155708), (166, 152894), (268, 94703), (326, 77854), (332, 76447), (469, 54116), (581, 43684), (652, 38927), (938, 27058), (1141, 22244), (1162, 21842), (1876, 13529), (2282, 11122), (2324, 10921), (4564, 5561)]