1238553394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 2186860032

約数和(自身を除く): 948306638

約数列:

[1, 2, 13, 17, 26, 34, 61, 71, 122, 142, 221, 442, 647, 793, 923, 1037, 1207, 1294, 1586, 1846, 2074, 2414, 4331, 8411, 8662, 10999, 13481, 15691, 16822, 21998, 26962, 31382, 39467, 45937, 56303, 73627, 78934, 91874, 112606, 142987, 147254, 285974, 513071, 597181, 670939, 780929, 957151, 1026142, 1194362, 1341878, 1561858, 1914302, 2802157, 5604314, 8722207, 10152077, 17444414, 20304154, 36428041, 47636669, 72856082, 95273338, 619276697, 1238553394]

約数ペア:

[(1, 1238553394), (2, 619276697), (13, 95273338), (17, 72856082), (26, 47636669), (34, 36428041), (61, 20304154), (71, 17444414), (122, 10152077), (142, 8722207), (221, 5604314), (442, 2802157), (647, 1914302), (793, 1561858), (923, 1341878), (1037, 1194362), (1207, 1026142), (1294, 957151), (1586, 780929), (1846, 670939), (2074, 597181), (2414, 513071), (4331, 285974), (8411, 147254), (8662, 142987), (10999, 112606), (13481, 91874), (15691, 78934), (16822, 73627), (21998, 56303), (26962, 45937), (31382, 39467)]