661561392

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{810737}}^1$

素因数の和:810765

約数の個数: 40

約数和(自身を含む): 1809567216

約数和(自身を除く): 1148005824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 810737, 1621474, 2432211, 3242948, 4864422, 6485896, 9728844, 12971792, 13782529, 19457688, 27565058, 38915376, 41347587, 55130116, 82695174, 110260232, 165390348, 220520464, 330780696, 661561392]

約数ペア:

[(1, 661561392), (2, 330780696), (3, 220520464), (4, 165390348), (6, 110260232), (8, 82695174), (12, 55130116), (16, 41347587), (17, 38915376), (24, 27565058), (34, 19457688), (48, 13782529), (51, 12971792), (68, 9728844), (102, 6485896), (136, 4864422), (204, 3242948), (272, 2432211), (408, 1621474), (816, 810737)]