129921428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{356927}}^1$

素因数の和:356951

約数の個数: 24

約数和(自身を含む): 279831552

約数和(自身を除く): 149910124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 356927, 713854, 1427708, 2498489, 4640051, 4996978, 9280102, 9993956, 18560204, 32480357, 64960714, 129921428]

約数ペア:

[(1, 129921428), (2, 64960714), (4, 32480357), (7, 18560204), (13, 9993956), (14, 9280102), (26, 4996978), (28, 4640051), (52, 2498489), (91, 1427708), (182, 713854), (364, 356927)]