128868641408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{179687}}^1$

素因数の和:180145

約数の個数: 64

約数和(自身を含む): 277122021120

約数和(自身を除く): 148253379712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 431, 832, 862, 1664, 1724, 3448, 5603, 6896, 11206, 13792, 22412, 27584, 44824, 55168, 89648, 179296, 179687, 358592, 359374, 717184, 718748, 1437496, 2335931, 2874992, 4671862, 5749984, 9343724, 11499968, 18687448, 22999936, 37374896, 74749792, 77445097, 149499584, 154890194, 298999168, 309780388, 619560776, 1006786261, 1239121552, 2013572522, 2478243104, 4027145044, 4956486208, 8054290088, 9912972416, 16108580176, 32217160352, 64434320704, 128868641408]

約数ペア:

[(1, 128868641408), (2, 64434320704), (4, 32217160352), (8, 16108580176), (13, 9912972416), (16, 8054290088), (26, 4956486208), (32, 4027145044), (52, 2478243104), (64, 2013572522), (104, 1239121552), (128, 1006786261), (208, 619560776), (416, 309780388), (431, 298999168), (832, 154890194), (862, 149499584), (1664, 77445097), (1724, 74749792), (3448, 37374896), (5603, 22999936), (6896, 18687448), (11206, 11499968), (13792, 9343724), (22412, 5749984), (27584, 4671862), (44824, 2874992), (55168, 2335931), (89648, 1437496), (179296, 718748), (179687, 717184), (358592, 359374)]