221740012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{28619}}^1$

素因数の和:28785

約数の個数: 24

約数和(自身を含む): 420714000

約数和(自身を除く): 198973988

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 28619, 57238, 114476, 372047, 744094, 1488188, 4264231, 8528462, 17056924, 55435003, 110870006, 221740012]

約数ペア:

[(1, 221740012), (2, 110870006), (4, 55435003), (13, 17056924), (26, 8528462), (52, 4264231), (149, 1488188), (298, 744094), (596, 372047), (1937, 114476), (3874, 57238), (7748, 28619)]