81259808

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 196237440

約数和(自身を除く): 114977632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 76, 112, 122, 133, 152, 224, 244, 266, 304, 313, 427, 488, 532, 608, 626, 854, 976, 1064, 1159, 1252, 1708, 1952, 2128, 2191, 2318, 2504, 3416, 4256, 4382, 4636, 5008, 5947, 6832, 8113, 8764, 9272, 10016, 11894, 13664, 16226, 17528, 18544, 19093, 23788, 32452, 35056, 37088, 38186, 41629, 47576, 64904, 70112, 76372, 83258, 95152, 129808, 133651, 152744, 166516, 190304, 259616, 267302, 305488, 333032, 362767, 534604, 610976, 666064, 725534, 1069208, 1332128, 1451068, 2138416, 2539369, 2902136, 4276832, 5078738, 5804272, 10157476, 11608544, 20314952, 40629904, 81259808]

約数ペア:

[(1, 81259808), (2, 40629904), (4, 20314952), (7, 11608544), (8, 10157476), (14, 5804272), (16, 5078738), (19, 4276832), (28, 2902136), (32, 2539369), (38, 2138416), (56, 1451068), (61, 1332128), (76, 1069208), (112, 725534), (122, 666064), (133, 610976), (152, 534604), (224, 362767), (244, 333032), (266, 305488), (304, 267302), (313, 259616), (427, 190304), (488, 166516), (532, 152744), (608, 133651), (626, 129808), (854, 95152), (976, 83258), (1064, 76372), (1159, 70112), (1252, 64904), (1708, 47576), (1952, 41629), (2128, 38186), (2191, 37088), (2318, 35056), (2504, 32452), (3416, 23788), (4256, 19093), (4382, 18544), (4636, 17528), (5008, 16226), (5947, 13664), (6832, 11894), (8113, 10016), (8764, 9272)]