1218812

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 2688000

約数和(自身を除く): 1469188

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 79, 116, 133, 158, 203, 266, 316, 406, 532, 551, 553, 812, 1102, 1106, 1501, 2204, 2212, 2291, 3002, 3857, 4582, 6004, 7714, 9164, 10507, 15428, 16037, 21014, 32074, 42028, 43529, 64148, 87058, 174116, 304703, 609406, 1218812]

約数ペア:

[(1, 1218812), (2, 609406), (4, 304703), (7, 174116), (14, 87058), (19, 64148), (28, 43529), (29, 42028), (38, 32074), (58, 21014), (76, 16037), (79, 15428), (116, 10507), (133, 9164), (158, 7714), (203, 6004), (266, 4582), (316, 3857), (406, 3002), (532, 2291), (551, 2212), (553, 2204), (812, 1501), (1102, 1106)]