638996676

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{90407}}^1$

素因数の和:90464

約数の個数: 48

約数和(自身を含む): 1620111360

約数和(自身を除く): 981114684

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 372, 589, 1178, 1767, 2356, 3534, 7068, 90407, 180814, 271221, 361628, 542442, 1084884, 1717733, 2802617, 3435466, 5153199, 5605234, 6870932, 8407851, 10306398, 11210468, 16815702, 20612796, 33631404, 53249723, 106499446, 159749169, 212998892, 319498338, 638996676]

約数ペア:

[(1, 638996676), (2, 319498338), (3, 212998892), (4, 159749169), (6, 106499446), (12, 53249723), (19, 33631404), (31, 20612796), (38, 16815702), (57, 11210468), (62, 10306398), (76, 8407851), (93, 6870932), (114, 5605234), (124, 5153199), (186, 3435466), (228, 2802617), (372, 1717733), (589, 1084884), (1178, 542442), (1767, 361628), (2356, 271221), (3534, 180814), (7068, 90407)]