123013904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1831}}^1$

素因数の和:1888

約数の個数: 80

約数和(自身を含む): 286231680

約数和(自身を除く): 163217776

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 494, 646, 884, 988, 1292, 1768, 1831, 1976, 2584, 3536, 3662, 3952, 4199, 5168, 7324, 8398, 14648, 16796, 23803, 29296, 31127, 33592, 34789, 47606, 62254, 67184, 69578, 95212, 124508, 139156, 190424, 249016, 278312, 380848, 404651, 452257, 498032, 556624, 591413, 809302, 904514, 1182826, 1618604, 1809028, 2365652, 3237208, 3618056, 4731304, 6474416, 7236112, 7688369, 9462608, 15376738, 30753476, 61506952, 123013904]

約数ペア:

[(1, 123013904), (2, 61506952), (4, 30753476), (8, 15376738), (13, 9462608), (16, 7688369), (17, 7236112), (19, 6474416), (26, 4731304), (34, 3618056), (38, 3237208), (52, 2365652), (68, 1809028), (76, 1618604), (104, 1182826), (136, 904514), (152, 809302), (208, 591413), (221, 556624), (247, 498032), (272, 452257), (304, 404651), (323, 380848), (442, 278312), (494, 249016), (646, 190424), (884, 139156), (988, 124508), (1292, 95212), (1768, 69578), (1831, 67184), (1976, 62254), (2584, 47606), (3536, 34789), (3662, 33592), (3952, 31127), (4199, 29296), (5168, 23803), (7324, 16796), (8398, 14648)]