161724004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{20873}}^1$

素因数の和:21039

約数の個数: 24

約数和(自身を含む): 306847800

約数和(自身を除く): 145123796

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 20873, 41746, 83492, 271349, 542698, 1085396, 3110077, 6220154, 12440308, 40431001, 80862002, 161724004]

約数ペア:

[(1, 161724004), (2, 80862002), (4, 40431001), (13, 12440308), (26, 6220154), (52, 3110077), (149, 1085396), (298, 542698), (596, 271349), (1937, 83492), (3874, 41746), (7748, 20873)]