287290428

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 680064000

約数和(自身を除く): 392773572

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 239, 327, 436, 478, 654, 717, 919, 956, 1308, 1434, 1838, 2757, 2868, 3676, 5514, 11028, 26051, 52102, 78153, 100171, 104204, 156306, 200342, 219641, 300513, 312612, 400684, 439282, 601026, 658923, 878564, 1202052, 1317846, 2635692, 23940869, 47881738, 71822607, 95763476, 143645214, 287290428]

約数ペア:

[(1, 287290428), (2, 143645214), (3, 95763476), (4, 71822607), (6, 47881738), (12, 23940869), (109, 2635692), (218, 1317846), (239, 1202052), (327, 878564), (436, 658923), (478, 601026), (654, 439282), (717, 400684), (919, 312612), (956, 300513), (1308, 219641), (1434, 200342), (1838, 156306), (2757, 104204), (2868, 100171), (3676, 78153), (5514, 52102), (11028, 26051)]