331313255

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 548130240

約数和(自身を除く): 216816985

約数列:

[1, 5, 7, 13, 17, 29, 35, 49, 65, 85, 91, 119, 145, 203, 211, 221, 245, 377, 455, 493, 595, 637, 833, 1015, 1055, 1105, 1421, 1477, 1547, 1885, 2465, 2639, 2743, 3185, 3451, 3587, 4165, 6119, 6409, 7105, 7385, 7735, 10339, 10829, 13195, 13715, 17255, 17935, 18473, 19201, 24157, 25109, 30595, 32045, 42833, 44863, 46631, 51695, 54145, 79547, 92365, 96005, 104023, 120785, 125545, 134407, 175763, 214165, 224315, 233155, 299831, 314041, 326417, 397735, 520115, 556829, 672035, 728161, 878815, 1352299, 1499155, 1570205, 1632085, 2284919, 2784145, 3640805, 3897803, 5097127, 6761495, 9466093, 11424595, 19489015, 25485635, 47330465, 66262651, 331313255]

約数ペア:

[(1, 331313255), (5, 66262651), (7, 47330465), (13, 25485635), (17, 19489015), (29, 11424595), (35, 9466093), (49, 6761495), (65, 5097127), (85, 3897803), (91, 3640805), (119, 2784145), (145, 2284919), (203, 1632085), (211, 1570205), (221, 1499155), (245, 1352299), (377, 878815), (455, 728161), (493, 672035), (595, 556829), (637, 520115), (833, 397735), (1015, 326417), (1055, 314041), (1105, 299831), (1421, 233155), (1477, 224315), (1547, 214165), (1885, 175763), (2465, 134407), (2639, 125545), (2743, 120785), (3185, 104023), (3451, 96005), (3587, 92365), (4165, 79547), (6119, 54145), (6409, 51695), (7105, 46631), (7385, 44863), (7735, 42833), (10339, 32045), (10829, 30595), (13195, 25109), (13715, 24157), (17255, 19201), (17935, 18473)]