255291270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{654593}}^1$

素因数の和:654616

約数の個数: 32

約数和(自身を含む): 659830752

約数和(自身を除く): 404539482

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 654593, 1309186, 1963779, 3272965, 3927558, 6545930, 8509709, 9818895, 17019418, 19637790, 25529127, 42548545, 51058254, 85097090, 127645635, 255291270]

約数ペア:

[(1, 255291270), (2, 127645635), (3, 85097090), (5, 51058254), (6, 42548545), (10, 25529127), (13, 19637790), (15, 17019418), (26, 9818895), (30, 8509709), (39, 6545930), (65, 3927558), (78, 3272965), (130, 1963779), (195, 1309186), (390, 654593)]