31688428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 61286400

約数和(自身を除く): 29597972

約数列:

[1, 2, 4, 19, 37, 38, 59, 74, 76, 118, 148, 191, 236, 382, 703, 764, 1121, 1406, 2183, 2242, 2812, 3629, 4366, 4484, 7067, 7258, 8732, 11269, 14134, 14516, 22538, 28268, 41477, 45076, 82954, 134273, 165908, 214111, 268546, 416953, 428222, 537092, 833906, 856444, 1667812, 7922107, 15844214, 31688428]

約数ペア:

[(1, 31688428), (2, 15844214), (4, 7922107), (19, 1667812), (37, 856444), (38, 833906), (59, 537092), (74, 428222), (76, 416953), (118, 268546), (148, 214111), (191, 165908), (236, 134273), (382, 82954), (703, 45076), (764, 41477), (1121, 28268), (1406, 22538), (2183, 14516), (2242, 14134), (2812, 11269), (3629, 8732), (4366, 7258), (4484, 7067)]