28811642

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1901

約数の個数: 16

約数和(自身を含む): 44268000

約数和(自身を除く): 15456358

約数列:

[1, 2, 61, 122, 139, 278, 1699, 3398, 8479, 16958, 103639, 207278, 236161, 472322, 14405821, 28811642]

約数ペア:

[(1, 28811642), (2, 14405821), (61, 472322), (122, 236161), (139, 207278), (278, 103639), (1699, 16958), (3398, 8479)]