138691904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1987

約数の個数: 56

約数和(自身を含む): 299877480

約数和(自身を除く): 161185576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 178, 208, 356, 416, 712, 832, 1157, 1424, 1873, 2314, 2848, 3746, 4628, 5696, 7492, 9256, 14984, 18512, 24349, 29968, 37024, 48698, 59936, 74048, 97396, 119872, 166697, 194792, 333394, 389584, 666788, 779168, 1333576, 1558336, 2167061, 2667152, 4334122, 5334304, 8668244, 10668608, 17336488, 34672976, 69345952, 138691904]

約数ペア:

[(1, 138691904), (2, 69345952), (4, 34672976), (8, 17336488), (13, 10668608), (16, 8668244), (26, 5334304), (32, 4334122), (52, 2667152), (64, 2167061), (89, 1558336), (104, 1333576), (178, 779168), (208, 666788), (356, 389584), (416, 333394), (712, 194792), (832, 166697), (1157, 119872), (1424, 97396), (1873, 74048), (2314, 59936), (2848, 48698), (3746, 37024), (4628, 29968), (5696, 24349), (7492, 18512), (9256, 14984)]