209388388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1783}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 426190464

約数和(自身を除く): 216802076

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 157, 187, 314, 374, 628, 748, 1727, 1783, 2669, 3454, 3566, 5338, 6908, 7132, 10676, 19613, 29359, 30311, 39226, 58718, 60622, 78452, 117436, 121244, 279931, 333421, 559862, 666842, 1119724, 1333684, 3079241, 4758827, 6158482, 9517654, 12316964, 19035308, 52347097, 104694194, 209388388]

約数ペア:

[(1, 209388388), (2, 104694194), (4, 52347097), (11, 19035308), (17, 12316964), (22, 9517654), (34, 6158482), (44, 4758827), (68, 3079241), (157, 1333684), (187, 1119724), (314, 666842), (374, 559862), (628, 333421), (748, 279931), (1727, 121244), (1783, 117436), (2669, 78452), (3454, 60622), (3566, 58718), (5338, 39226), (6908, 30311), (7132, 29359), (10676, 19613)]