319953608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{9829}}^1$

素因数の和:10161

約数の個数: 32

約数和(自身を含む): 648190200

約数和(自身を除く): 328236592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 313, 626, 1252, 2504, 4069, 8138, 9829, 16276, 19658, 32552, 39316, 78632, 127777, 255554, 511108, 1022216, 3076477, 6152954, 12305908, 24611816, 39994201, 79988402, 159976804, 319953608]

約数ペア:

[(1, 319953608), (2, 159976804), (4, 79988402), (8, 39994201), (13, 24611816), (26, 12305908), (52, 6152954), (104, 3076477), (313, 1022216), (626, 511108), (1252, 255554), (2504, 127777), (4069, 78632), (8138, 39316), (9829, 32552), (16276, 19658)]