15915698864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{921901}}^1$

素因数の和:922005

約数の個数: 40

約数和(自身を含む): 33608859312

約数和(自身を除く): 17693160448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 921901, 1843802, 3687604, 7375208, 11984713, 14750416, 23969426, 47938852, 76517783, 95877704, 153035566, 191755408, 306071132, 612142264, 994731179, 1224284528, 1989462358, 3978924716, 7957849432, 15915698864]

約数ペア:

[(1, 15915698864), (2, 7957849432), (4, 3978924716), (8, 1989462358), (13, 1224284528), (16, 994731179), (26, 612142264), (52, 306071132), (83, 191755408), (104, 153035566), (166, 95877704), (208, 76517783), (332, 47938852), (664, 23969426), (1079, 14750416), (1328, 11984713), (2158, 7375208), (4316, 3687604), (8632, 1843802), (17264, 921901)]