630291258

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 1381076736

約数和(自身を除く): 750785478

約数列:

[1, 2, 3, 6, 9, 18, 157, 271, 314, 471, 542, 813, 823, 942, 1413, 1626, 1646, 2439, 2469, 2826, 4878, 4938, 7407, 14814, 42547, 85094, 127641, 129211, 223033, 255282, 258422, 382923, 387633, 446066, 669099, 765846, 775266, 1162899, 1338198, 2007297, 2325798, 4014594, 35016181, 70032362, 105048543, 210097086, 315145629, 630291258]

約数ペア:

[(1, 630291258), (2, 315145629), (3, 210097086), (6, 105048543), (9, 70032362), (18, 35016181), (157, 4014594), (271, 2325798), (314, 2007297), (471, 1338198), (542, 1162899), (813, 775266), (823, 765846), (942, 669099), (1413, 446066), (1626, 387633), (1646, 382923), (2439, 258422), (2469, 255282), (2826, 223033), (4878, 129211), (4938, 127641), (7407, 85094), (14814, 42547)]