491990744

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1907}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 1120988160

約数和(自身を除く): 628997416

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 271, 476, 542, 952, 1084, 1897, 1907, 2168, 3794, 3814, 4607, 7588, 7628, 9214, 13349, 15176, 15256, 18428, 26698, 32249, 32419, 36856, 53396, 64498, 64838, 106792, 128996, 129676, 226933, 257992, 259352, 453866, 516797, 907732, 1033594, 1815464, 2067188, 3617579, 4134376, 7235158, 8785549, 14470316, 17571098, 28940632, 35142196, 61498843, 70284392, 122997686, 245995372, 491990744]

約数ペア:

[(1, 491990744), (2, 245995372), (4, 122997686), (7, 70284392), (8, 61498843), (14, 35142196), (17, 28940632), (28, 17571098), (34, 14470316), (56, 8785549), (68, 7235158), (119, 4134376), (136, 3617579), (238, 2067188), (271, 1815464), (476, 1033594), (542, 907732), (952, 516797), (1084, 453866), (1897, 259352), (1907, 257992), (2168, 226933), (3794, 129676), (3814, 128996), (4607, 106792), (7588, 64838), (7628, 64498), (9214, 53396), (13349, 36856), (15176, 32419), (15256, 32249), (18428, 26698)]