28320396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{479}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 71500800

約数和(自身を除く): 43180404

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 379, 479, 758, 958, 1137, 1437, 1516, 1916, 2274, 2874, 4548, 4927, 5748, 6227, 9854, 12454, 14781, 18681, 19708, 24908, 29562, 37362, 59124, 74724, 181541, 363082, 544623, 726164, 1089246, 2178492, 2360033, 4720066, 7080099, 9440132, 14160198, 28320396]

約数ペア:

[(1, 28320396), (2, 14160198), (3, 9440132), (4, 7080099), (6, 4720066), (12, 2360033), (13, 2178492), (26, 1089246), (39, 726164), (52, 544623), (78, 363082), (156, 181541), (379, 74724), (479, 59124), (758, 37362), (958, 29562), (1137, 24908), (1437, 19708), (1516, 18681), (1916, 14781), (2274, 12454), (2874, 9854), (4548, 6227), (4927, 5748)]