2016571428

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{5849}}^1$

素因数の和:6077

約数の個数: 72

約数和(自身を含む): 5214900600

約数和(自身を除く): 3198329172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 157, 183, 244, 314, 366, 471, 549, 628, 732, 942, 1098, 1413, 1884, 2196, 2826, 5652, 5849, 9577, 11698, 17547, 19154, 23396, 28731, 35094, 38308, 52641, 57462, 70188, 86193, 105282, 114924, 172386, 210564, 344772, 356789, 713578, 918293, 1070367, 1427156, 1836586, 2140734, 2754879, 3211101, 3673172, 4281468, 5509758, 6422202, 8264637, 11019516, 12844404, 16529274, 33058548, 56015873, 112031746, 168047619, 224063492, 336095238, 504142857, 672190476, 1008285714, 2016571428]

約数ペア:

[(1, 2016571428), (2, 1008285714), (3, 672190476), (4, 504142857), (6, 336095238), (9, 224063492), (12, 168047619), (18, 112031746), (36, 56015873), (61, 33058548), (122, 16529274), (157, 12844404), (183, 11019516), (244, 8264637), (314, 6422202), (366, 5509758), (471, 4281468), (549, 3673172), (628, 3211101), (732, 2754879), (942, 2140734), (1098, 1836586), (1413, 1427156), (1884, 1070367), (2196, 918293), (2826, 713578), (5652, 356789), (5849, 344772), (9577, 210564), (11698, 172386), (17547, 114924), (19154, 105282), (23396, 86193), (28731, 70188), (35094, 57462), (38308, 52641)]