289299738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 761241600

約数和(自身を除く): 471941862

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 79, 91, 114, 133, 158, 182, 237, 247, 266, 273, 353, 399, 474, 494, 546, 553, 706, 741, 798, 1027, 1059, 1106, 1482, 1501, 1659, 1729, 2054, 2118, 2471, 3002, 3081, 3318, 3458, 4503, 4589, 4942, 5187, 6162, 6707, 7189, 7413, 9006, 9178, 10374, 10507, 13414, 13767, 14378, 14826, 19513, 20121, 21014, 21567, 27534, 27887, 31521, 32123, 39026, 40242, 43134, 46949, 55774, 58539, 63042, 64246, 83661, 87191, 93898, 96369, 117078, 136591, 140847, 167322, 174382, 192738, 195209, 261573, 273182, 281694, 362531, 390418, 409773, 523146, 529853, 585627, 610337, 725062, 819546, 1059706, 1087593, 1171254, 1220674, 1589559, 1831011, 2175186, 2537717, 3179118, 3662022, 3708971, 5075434, 6888089, 7417942, 7613151, 11126913, 13776178, 15226302, 20664267, 22253826, 41328534, 48216623, 96433246, 144649869, 289299738]

約数ペア:

[(1, 289299738), (2, 144649869), (3, 96433246), (6, 48216623), (7, 41328534), (13, 22253826), (14, 20664267), (19, 15226302), (21, 13776178), (26, 11126913), (38, 7613151), (39, 7417942), (42, 6888089), (57, 5075434), (78, 3708971), (79, 3662022), (91, 3179118), (114, 2537717), (133, 2175186), (158, 1831011), (182, 1589559), (237, 1220674), (247, 1171254), (266, 1087593), (273, 1059706), (353, 819546), (399, 725062), (474, 610337), (494, 585627), (546, 529853), (553, 523146), (706, 409773), (741, 390418), (798, 362531), (1027, 281694), (1059, 273182), (1106, 261573), (1482, 195209), (1501, 192738), (1659, 174382), (1729, 167322), (2054, 140847), (2118, 136591), (2471, 117078), (3002, 96369), (3081, 93898), (3318, 87191), (3458, 83661), (4503, 64246), (4589, 63042), (4942, 58539), (5187, 55774), (6162, 46949), (6707, 43134), (7189, 40242), (7413, 39026), (9006, 32123), (9178, 31521), (10374, 27887), (10507, 27534), (13414, 21567), (13767, 21014), (14378, 20121), (14826, 19513)]