200780554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 129843446

約数列:

[1, 2, 13, 26, 79, 158, 239, 409, 478, 818, 1027, 2054, 3107, 5317, 6214, 10634, 18881, 32311, 37762, 64622, 97751, 195502, 245453, 420043, 490906, 840086, 1270763, 2541526, 7722329, 15444658, 100390277, 200780554]

約数ペア:

[(1, 200780554), (2, 100390277), (13, 15444658), (26, 7722329), (79, 2541526), (158, 1270763), (239, 840086), (409, 490906), (478, 420043), (818, 245453), (1027, 195502), (2054, 97751), (3107, 64622), (5317, 37762), (6214, 32311), (10634, 18881)]