18064808575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1\times {\mathrm{1489}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 24696499680

約数和(自身を除く): 6631691105

約数列:

[1, 5, 11, 25, 55, 157, 275, 281, 785, 1405, 1489, 1727, 3091, 3925, 7025, 7445, 8635, 15455, 16379, 37225, 43175, 44117, 77275, 81895, 220585, 233773, 409475, 418409, 485287, 1102925, 1168865, 2092045, 2426435, 2571503, 4602499, 5844325, 10460225, 12132175, 12857515, 23012495, 64287575, 65690213, 115062475, 328451065, 722592343, 1642255325, 3612961715, 18064808575]

約数ペア:

[(1, 18064808575), (5, 3612961715), (11, 1642255325), (25, 722592343), (55, 328451065), (157, 115062475), (275, 65690213), (281, 64287575), (785, 23012495), (1405, 12857515), (1489, 12132175), (1727, 10460225), (3091, 5844325), (3925, 4602499), (7025, 2571503), (7445, 2426435), (8635, 2092045), (15455, 1168865), (16379, 1102925), (37225, 485287), (43175, 418409), (44117, 409475), (77275, 233773), (81895, 220585)]