425277215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1831}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 576156672

約数和(自身を除く): 150879457

約数列:

[1, 5, 11, 41, 55, 103, 205, 451, 515, 1133, 1831, 2255, 4223, 5665, 9155, 20141, 21115, 46453, 75071, 100705, 188593, 232265, 375355, 825781, 942965, 2074523, 4128905, 7732313, 10372615, 38661565, 85055443, 425277215]

約数ペア:

[(1, 425277215), (5, 85055443), (11, 38661565), (41, 10372615), (55, 7732313), (103, 4128905), (205, 2074523), (451, 942965), (515, 825781), (1133, 375355), (1831, 232265), (2255, 188593), (4223, 100705), (5665, 75071), (9155, 46453), (20141, 21115)]