679828175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 938669088

約数和(自身を除く): 258840913

約数列:

[1, 5, 13, 25, 41, 65, 163, 205, 313, 325, 533, 815, 1025, 1565, 2119, 2665, 4069, 4075, 6683, 7825, 10595, 12833, 13325, 20345, 33415, 51019, 52975, 64165, 86879, 101725, 166829, 167075, 255095, 320825, 434395, 663247, 834145, 1275475, 2091779, 2171975, 3316235, 4170725, 10458895, 16581175, 27193127, 52294475, 135965635, 679828175]

約数ペア:

[(1, 679828175), (5, 135965635), (13, 52294475), (25, 27193127), (41, 16581175), (65, 10458895), (163, 4170725), (205, 3316235), (313, 2171975), (325, 2091779), (533, 1275475), (815, 834145), (1025, 663247), (1565, 434395), (2119, 320825), (2665, 255095), (4069, 167075), (4075, 166829), (6683, 101725), (7825, 86879), (10595, 64165), (12833, 52975), (13325, 51019), (20345, 33415)]