128236984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{1297}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 255134880

約数和(自身を除く): 126897896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 727, 1297, 1454, 2594, 2908, 5188, 5816, 10376, 12359, 22049, 24718, 44098, 49436, 88196, 98872, 176392, 942919, 1885838, 3771676, 7543352, 16029623, 32059246, 64118492, 128236984]

約数ペア:

[(1, 128236984), (2, 64118492), (4, 32059246), (8, 16029623), (17, 7543352), (34, 3771676), (68, 1885838), (136, 942919), (727, 176392), (1297, 98872), (1454, 88196), (2594, 49436), (2908, 44098), (5188, 24718), (5816, 22049), (10376, 12359)]