398750690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22067}}^1$

素因数の和:22226

約数の個数: 32

約数和(自身を含む): 778559040

約数和(自身を除く): 379808350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 22067, 44134, 110335, 220670, 286871, 573742, 1434355, 2868710, 3067313, 6134626, 15336565, 30673130, 39875069, 79750138, 199375345, 398750690]

約数ペア:

[(1, 398750690), (2, 199375345), (5, 79750138), (10, 39875069), (13, 30673130), (26, 15336565), (65, 6134626), (130, 3067313), (139, 2868710), (278, 1434355), (695, 573742), (1390, 286871), (1807, 220670), (3614, 110335), (9035, 44134), (18070, 22067)]