25513276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 49624960

約数和(自身を除く): 24111684

約数列:

[1, 2, 4, 19, 37, 38, 43, 74, 76, 86, 148, 172, 211, 422, 703, 817, 844, 1406, 1591, 1634, 2812, 3182, 3268, 4009, 6364, 7807, 8018, 9073, 15614, 16036, 18146, 30229, 31228, 36292, 60458, 120916, 148333, 172387, 296666, 335701, 344774, 593332, 671402, 689548, 1342804, 6378319, 12756638, 25513276]

約数ペア:

[(1, 25513276), (2, 12756638), (4, 6378319), (19, 1342804), (37, 689548), (38, 671402), (43, 593332), (74, 344774), (76, 335701), (86, 296666), (148, 172387), (172, 148333), (211, 120916), (422, 60458), (703, 36292), (817, 31228), (844, 30229), (1406, 18146), (1591, 16036), (1634, 15614), (2812, 9073), (3182, 8018), (3268, 7807), (4009, 6364)]