1780966070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{805867}}^1$

素因数の和:805904

約数の個数: 32

約数和(自身を含む): 3655417248

約数和(自身を除く): 1874451178

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 805867, 1611734, 4029335, 8058670, 10476271, 13699739, 20952542, 27399478, 52381355, 68498695, 104762710, 136997390, 178096607, 356193214, 890483035, 1780966070]

約数ペア:

[(1, 1780966070), (2, 890483035), (5, 356193214), (10, 178096607), (13, 136997390), (17, 104762710), (26, 68498695), (34, 52381355), (65, 27399478), (85, 20952542), (130, 13699739), (170, 10476271), (221, 8058670), (442, 4029335), (1105, 1611734), (2210, 805867)]