51397944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 139134240

約数和(自身を除く): 87736296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 312, 514, 641, 771, 1028, 1282, 1542, 1923, 2056, 2564, 3084, 3341, 3846, 5128, 6168, 6682, 7692, 8333, 10023, 13364, 15384, 16666, 20046, 24999, 26728, 33332, 40092, 49998, 66664, 80184, 99996, 164737, 199992, 329474, 494211, 658948, 988422, 1317896, 1976844, 2141581, 3953688, 4283162, 6424743, 8566324, 12849486, 17132648, 25698972, 51397944]

約数ペア:

[(1, 51397944), (2, 25698972), (3, 17132648), (4, 12849486), (6, 8566324), (8, 6424743), (12, 4283162), (13, 3953688), (24, 2141581), (26, 1976844), (39, 1317896), (52, 988422), (78, 658948), (104, 494211), (156, 329474), (257, 199992), (312, 164737), (514, 99996), (641, 80184), (771, 66664), (1028, 49998), (1282, 40092), (1542, 33332), (1923, 26728), (2056, 24999), (2564, 20046), (3084, 16666), (3341, 15384), (3846, 13364), (5128, 10023), (6168, 8333), (6682, 7692)]