639290730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{5171}}^1$

素因数の和:5511

約数の個数: 64

約数和(自身を含む): 1657853568

約数和(自身を除く): 1018562838

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 317, 390, 634, 951, 1585, 1902, 3170, 4121, 4755, 5171, 8242, 9510, 10342, 12363, 15513, 20605, 24726, 25855, 31026, 41210, 51710, 61815, 67223, 77565, 123630, 134446, 155130, 201669, 336115, 403338, 672230, 1008345, 1639207, 2016690, 3278414, 4917621, 8196035, 9835242, 16392070, 21309691, 24588105, 42619382, 49176210, 63929073, 106548455, 127858146, 213096910, 319645365, 639290730]

約数ペア:

[(1, 639290730), (2, 319645365), (3, 213096910), (5, 127858146), (6, 106548455), (10, 63929073), (13, 49176210), (15, 42619382), (26, 24588105), (30, 21309691), (39, 16392070), (65, 9835242), (78, 8196035), (130, 4917621), (195, 3278414), (317, 2016690), (390, 1639207), (634, 1008345), (951, 672230), (1585, 403338), (1902, 336115), (3170, 201669), (4121, 155130), (4755, 134446), (5171, 123630), (8242, 77565), (9510, 67223), (10342, 61815), (12363, 51710), (15513, 41210), (20605, 31026), (24726, 25855)]