918078512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{19793}}^1$

素因数の和:20037

約数の個数: 40

約数和(自身を含む): 1924293504

約数和(自身を除く): 1006214992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 892, 1784, 2899, 3568, 5798, 11596, 19793, 23192, 39586, 46384, 79172, 158344, 257309, 316688, 514618, 1029236, 2058472, 4116944, 4413839, 8827678, 17655356, 35310712, 57379907, 70621424, 114759814, 229519628, 459039256, 918078512]

約数ペア:

[(1, 918078512), (2, 459039256), (4, 229519628), (8, 114759814), (13, 70621424), (16, 57379907), (26, 35310712), (52, 17655356), (104, 8827678), (208, 4413839), (223, 4116944), (446, 2058472), (892, 1029236), (1784, 514618), (2899, 316688), (3568, 257309), (5798, 158344), (11596, 79172), (19793, 46384), (23192, 39586)]