12402775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 20355840

約数和(自身を除く): 7953065

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 379, 385, 425, 595, 935, 1309, 1895, 1925, 2653, 2975, 4169, 4675, 6443, 6545, 9475, 13265, 20845, 29183, 32215, 32725, 45101, 66325, 70873, 104225, 145915, 161075, 225505, 354365, 496111, 729575, 1127525, 1771825, 2480555, 12402775]

約数ペア:

[(1, 12402775), (5, 2480555), (7, 1771825), (11, 1127525), (17, 729575), (25, 496111), (35, 354365), (55, 225505), (77, 161075), (85, 145915), (119, 104225), (175, 70873), (187, 66325), (275, 45101), (379, 32725), (385, 32215), (425, 29183), (595, 20845), (935, 13265), (1309, 9475), (1895, 6545), (1925, 6443), (2653, 4675), (2975, 4169)]