31075412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 60392640

約数和(自身を除く): 29317228

約数列:

[1, 2, 4, 19, 37, 38, 43, 74, 76, 86, 148, 172, 257, 514, 703, 817, 1028, 1406, 1591, 1634, 2812, 3182, 3268, 4883, 6364, 9509, 9766, 11051, 19018, 19532, 22102, 30229, 38036, 44204, 60458, 120916, 180671, 209969, 361342, 408887, 419938, 722684, 817774, 839876, 1635548, 7768853, 15537706, 31075412]

約数ペア:

[(1, 31075412), (2, 15537706), (4, 7768853), (19, 1635548), (37, 839876), (38, 817774), (43, 722684), (74, 419938), (76, 408887), (86, 361342), (148, 209969), (172, 180671), (257, 120916), (514, 60458), (703, 44204), (817, 38036), (1028, 30229), (1406, 22102), (1591, 19532), (1634, 19018), (2812, 11051), (3182, 9766), (3268, 9509), (4883, 6364)]