619290425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 851664240

約数和(自身を除く): 232373815

約数列:

[1, 5, 13, 25, 53, 65, 157, 229, 265, 325, 689, 785, 1145, 1325, 2041, 2977, 3445, 3925, 5725, 8321, 10205, 12137, 14885, 17225, 35953, 41605, 51025, 60685, 74425, 108173, 157781, 179765, 208025, 303425, 467389, 540865, 788905, 898825, 1905509, 2336945, 2704325, 3944525, 9527545, 11684725, 24771617, 47637725, 123858085, 619290425]

約数ペア:

[(1, 619290425), (5, 123858085), (13, 47637725), (25, 24771617), (53, 11684725), (65, 9527545), (157, 3944525), (229, 2704325), (265, 2336945), (325, 1905509), (689, 898825), (785, 788905), (1145, 540865), (1325, 467389), (2041, 303425), (2977, 208025), (3445, 179765), (3925, 157781), (5725, 108173), (8321, 74425), (10205, 60685), (12137, 51025), (14885, 41605), (17225, 35953)]