30891958

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 50761728

約数和(自身を除く): 19869770

約数列:

[1, 2, 17, 34, 67, 71, 134, 142, 191, 382, 1139, 1207, 2278, 2414, 3247, 4757, 6494, 9514, 12797, 13561, 25594, 27122, 80869, 161738, 217549, 230537, 435098, 461074, 908587, 1817174, 15445979, 30891958]

約数ペア:

[(1, 30891958), (2, 15445979), (17, 1817174), (34, 908587), (67, 461074), (71, 435098), (134, 230537), (142, 217549), (191, 161738), (382, 80869), (1139, 27122), (1207, 25594), (2278, 13561), (2414, 12797), (3247, 9514), (4757, 6494)]