1284369970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{20287}}^1$

素因数の和:20794

約数の個数: 32

約数和(自身を含む): 2494937088

約数和(自身を除く): 1210567118

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 2435, 4870, 6331, 12662, 20287, 31655, 40574, 63310, 101435, 202870, 263731, 527462, 1318655, 2637310, 9879769, 19759538, 49398845, 98797690, 128436997, 256873994, 642184985, 1284369970]

約数ペア:

[(1, 1284369970), (2, 642184985), (5, 256873994), (10, 128436997), (13, 98797690), (26, 49398845), (65, 19759538), (130, 9879769), (487, 2637310), (974, 1318655), (2435, 527462), (4870, 263731), (6331, 202870), (12662, 101435), (20287, 63310), (31655, 40574)]