208064350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{24623}}^1$

素因数の和:24661

約数の個数: 36

約数和(自身を含む): 419075856

約数和(自身を除く): 211011506

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 24623, 49246, 123115, 246230, 320099, 615575, 640198, 1231150, 1600495, 3200990, 4161287, 8002475, 8322574, 16004950, 20806435, 41612870, 104032175, 208064350]

約数ペア:

[(1, 208064350), (2, 104032175), (5, 41612870), (10, 20806435), (13, 16004950), (25, 8322574), (26, 8002475), (50, 4161287), (65, 3200990), (130, 1600495), (169, 1231150), (325, 640198), (338, 615575), (650, 320099), (845, 246230), (1690, 123115), (4225, 49246), (8450, 24623)]