639453822

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{797}}^1\times {\mathrm{2729}}^1$

素因数の和:3545

約数の個数: 48

約数和(自身を含む): 1490121360

約数和(自身を除く): 850667538

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 797, 1594, 2391, 2729, 4782, 5458, 5579, 8187, 11158, 16374, 16737, 19103, 33474, 38206, 39053, 57309, 78106, 114618, 117159, 133721, 234318, 267442, 401163, 802326, 2175013, 4350026, 6525039, 13050078, 15225091, 30450182, 45675273, 91350546, 106575637, 213151274, 319726911, 639453822]

約数ペア:

[(1, 639453822), (2, 319726911), (3, 213151274), (6, 106575637), (7, 91350546), (14, 45675273), (21, 30450182), (42, 15225091), (49, 13050078), (98, 6525039), (147, 4350026), (294, 2175013), (797, 802326), (1594, 401163), (2391, 267442), (2729, 234318), (4782, 133721), (5458, 117159), (5579, 114618), (8187, 78106), (11158, 57309), (16374, 39053), (16737, 38206), (19103, 33474)]