1279355870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{185683}}^1$

素因数の和:185756

約数の個数: 32

約数和(自身を含む): 2526787872

約数和(自身を除く): 1247432002

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 185683, 371366, 928415, 1856830, 2413879, 4827758, 9841199, 12069395, 19682398, 24138790, 49205995, 98411990, 127935587, 255871174, 639677935, 1279355870]

約数ペア:

[(1, 1279355870), (2, 639677935), (5, 255871174), (10, 127935587), (13, 98411990), (26, 49205995), (53, 24138790), (65, 19682398), (106, 12069395), (130, 9841199), (265, 4827758), (530, 2413879), (689, 1856830), (1378, 928415), (3445, 371366), (6890, 185683)]