634790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 1300320

約数和(自身を除く): 665530

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 257, 494, 514, 1235, 1285, 2470, 2570, 3341, 4883, 6682, 9766, 16705, 24415, 33410, 48830, 63479, 126958, 317395, 634790]

約数ペア:

[(1, 634790), (2, 317395), (5, 126958), (10, 63479), (13, 48830), (19, 33410), (26, 24415), (38, 16705), (65, 9766), (95, 6682), (130, 4883), (190, 3341), (247, 2570), (257, 2470), (494, 1285), (514, 1235)]