81389048

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 169816680

約数和(自身を除く): 88427632

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 481, 676, 962, 1352, 1627, 1924, 3254, 3848, 6253, 6508, 12506, 13016, 21151, 25012, 42302, 50024, 60199, 84604, 120398, 169208, 240796, 274963, 481592, 549926, 782587, 1099852, 1565174, 2199704, 3130348, 6260696, 10173631, 20347262, 40694524, 81389048]

約数ペア:

[(1, 81389048), (2, 40694524), (4, 20347262), (8, 10173631), (13, 6260696), (26, 3130348), (37, 2199704), (52, 1565174), (74, 1099852), (104, 782587), (148, 549926), (169, 481592), (296, 274963), (338, 240796), (481, 169208), (676, 120398), (962, 84604), (1352, 60199), (1627, 50024), (1924, 42302), (3254, 25012), (3848, 21151), (6253, 13016), (6508, 12506)]