643399085

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{3821}}^1$

素因数の和:4133

約数の個数: 32

約数和(自身を含む): 937827072

約数和(自身を除く): 294427987

約数列:

[1, 5, 7, 17, 35, 85, 119, 283, 595, 1415, 1981, 3821, 4811, 9905, 19105, 24055, 26747, 33677, 64957, 133735, 168385, 324785, 454699, 1081343, 2273495, 5406715, 7569401, 18382831, 37847005, 91914155, 128679817, 643399085]

約数ペア:

[(1, 643399085), (5, 128679817), (7, 91914155), (17, 37847005), (35, 18382831), (85, 7569401), (119, 5406715), (283, 2273495), (595, 1081343), (1415, 454699), (1981, 324785), (3821, 168385), (4811, 133735), (9905, 64957), (19105, 33677), (24055, 26747)]