217490798

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1752

約数の個数: 32

約数和(自身を含む): 380916480

約数和(自身を除く): 163425682

約数列:

[1, 2, 7, 14, 73, 139, 146, 278, 511, 973, 1022, 1531, 1946, 3062, 10147, 10717, 20294, 21434, 71029, 111763, 142058, 212809, 223526, 425618, 782341, 1489663, 1564682, 2979326, 15535057, 31070114, 108745399, 217490798]

約数ペア:

[(1, 217490798), (2, 108745399), (7, 31070114), (14, 15535057), (73, 2979326), (139, 1564682), (146, 1489663), (278, 782341), (511, 425618), (973, 223526), (1022, 212809), (1531, 142058), (1946, 111763), (3062, 71029), (10147, 21434), (10717, 20294)]