28603998

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 63835200

約数和(自身を除く): 35231202

約数列:

[1, 2, 3, 6, 9, 18, 61, 109, 122, 183, 218, 239, 327, 366, 478, 549, 654, 717, 981, 1098, 1434, 1962, 2151, 4302, 6649, 13298, 14579, 19947, 26051, 29158, 39894, 43737, 52102, 59841, 78153, 87474, 119682, 131211, 156306, 234459, 262422, 468918, 1589111, 3178222, 4767333, 9534666, 14301999, 28603998]

約数ペア:

[(1, 28603998), (2, 14301999), (3, 9534666), (6, 4767333), (9, 3178222), (18, 1589111), (61, 468918), (109, 262422), (122, 234459), (183, 156306), (218, 131211), (239, 119682), (327, 87474), (366, 78153), (478, 59841), (549, 52102), (654, 43737), (717, 39894), (981, 29158), (1098, 26051), (1434, 19947), (1962, 14579), (2151, 13298), (4302, 6649)]