639774282

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{12157}}^1$

素因数の和:12355

約数の個数: 48

約数和(自身を含む): 1496892960

約数和(自身を除く): 857118678

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 179, 294, 358, 537, 1074, 1253, 2506, 3759, 7518, 8771, 12157, 17542, 24314, 26313, 36471, 52626, 72942, 85099, 170198, 255297, 510594, 595693, 1191386, 1787079, 2176103, 3574158, 4352206, 6528309, 13056618, 15232721, 30465442, 45698163, 91396326, 106629047, 213258094, 319887141, 639774282]

約数ペア:

[(1, 639774282), (2, 319887141), (3, 213258094), (6, 106629047), (7, 91396326), (14, 45698163), (21, 30465442), (42, 15232721), (49, 13056618), (98, 6528309), (147, 4352206), (179, 3574158), (294, 2176103), (358, 1787079), (537, 1191386), (1074, 595693), (1253, 510594), (2506, 255297), (3759, 170198), (7518, 85099), (8771, 72942), (12157, 52626), (17542, 36471), (24314, 26313)]