128161818

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 295021440

約数和(自身を除く): 166859622

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 107, 123, 214, 246, 321, 369, 541, 642, 738, 963, 1082, 1107, 1623, 1926, 2214, 2889, 3246, 4387, 4869, 5778, 8774, 9738, 13161, 14607, 22181, 26322, 29214, 39483, 44362, 57887, 66543, 78966, 115774, 118449, 133086, 173661, 199629, 236898, 347322, 399258, 520983, 598887, 1041966, 1197774, 1562949, 2373367, 3125898, 4746734, 7120101, 14240202, 21360303, 42720606, 64080909, 128161818]

約数ペア:

[(1, 128161818), (2, 64080909), (3, 42720606), (6, 21360303), (9, 14240202), (18, 7120101), (27, 4746734), (41, 3125898), (54, 2373367), (82, 1562949), (107, 1197774), (123, 1041966), (214, 598887), (246, 520983), (321, 399258), (369, 347322), (541, 236898), (642, 199629), (738, 173661), (963, 133086), (1082, 118449), (1107, 115774), (1623, 78966), (1926, 66543), (2214, 57887), (2889, 44362), (3246, 39483), (4387, 29214), (4869, 26322), (5778, 22181), (8774, 14607), (9738, 13161)]