277821752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 634314240

約数和(自身を除く): 356492488

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 37, 52, 62, 68, 74, 104, 124, 136, 137, 148, 221, 248, 274, 296, 403, 442, 481, 527, 548, 629, 806, 884, 962, 1054, 1096, 1147, 1258, 1612, 1768, 1781, 1924, 2108, 2294, 2329, 2516, 3224, 3562, 3848, 4216, 4247, 4588, 4658, 5032, 5069, 6851, 7124, 8177, 8494, 9176, 9316, 10138, 13702, 14248, 14911, 16354, 16988, 18632, 19499, 20276, 27404, 29822, 30277, 32708, 33976, 38998, 40552, 54808, 55211, 59644, 60554, 65416, 65897, 72199, 77996, 86173, 110422, 119288, 121108, 131794, 144398, 155992, 157139, 172346, 220844, 242216, 253487, 263588, 288796, 314278, 344692, 441688, 506974, 527176, 577592, 628556, 689384, 938587, 1013948, 1120249, 1257112, 1877174, 2027896, 2042807, 2240498, 2671363, 3754348, 4085614, 4480996, 5342726, 7508696, 8171228, 8961992, 10685452, 16342456, 21370904, 34727719, 69455438, 138910876, 277821752]

約数ペア:

[(1, 277821752), (2, 138910876), (4, 69455438), (8, 34727719), (13, 21370904), (17, 16342456), (26, 10685452), (31, 8961992), (34, 8171228), (37, 7508696), (52, 5342726), (62, 4480996), (68, 4085614), (74, 3754348), (104, 2671363), (124, 2240498), (136, 2042807), (137, 2027896), (148, 1877174), (221, 1257112), (248, 1120249), (274, 1013948), (296, 938587), (403, 689384), (442, 628556), (481, 577592), (527, 527176), (548, 506974), (629, 441688), (806, 344692), (884, 314278), (962, 288796), (1054, 263588), (1096, 253487), (1147, 242216), (1258, 220844), (1612, 172346), (1768, 157139), (1781, 155992), (1924, 144398), (2108, 131794), (2294, 121108), (2329, 119288), (2516, 110422), (3224, 86173), (3562, 77996), (3848, 72199), (4216, 65897), (4247, 65416), (4588, 60554), (4658, 59644), (5032, 55211), (5069, 54808), (6851, 40552), (7124, 38998), (8177, 33976), (8494, 32708), (9176, 30277), (9316, 29822), (10138, 27404), (13702, 20276), (14248, 19499), (14911, 18632), (16354, 16988)]