128426896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 279107136

約数和(自身を除く): 150680240

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 83, 86, 104, 166, 172, 173, 208, 332, 344, 346, 559, 664, 688, 692, 1079, 1118, 1328, 1384, 2158, 2236, 2249, 2768, 3569, 4316, 4472, 4498, 7138, 7439, 8632, 8944, 8996, 14276, 14359, 14878, 17264, 17992, 28552, 28718, 29756, 35984, 46397, 57104, 57436, 59512, 92794, 96707, 114872, 119024, 185588, 186667, 193414, 229744, 371176, 373334, 386828, 617437, 742352, 746668, 773656, 1234874, 1493336, 1547312, 2469748, 2986672, 4939496, 8026681, 9878992, 16053362, 32106724, 64213448, 128426896]

約数ペア:

[(1, 128426896), (2, 64213448), (4, 32106724), (8, 16053362), (13, 9878992), (16, 8026681), (26, 4939496), (43, 2986672), (52, 2469748), (83, 1547312), (86, 1493336), (104, 1234874), (166, 773656), (172, 746668), (173, 742352), (208, 617437), (332, 386828), (344, 373334), (346, 371176), (559, 229744), (664, 193414), (688, 186667), (692, 185588), (1079, 119024), (1118, 114872), (1328, 96707), (1384, 92794), (2158, 59512), (2236, 57436), (2249, 57104), (2768, 46397), (3569, 35984), (4316, 29756), (4472, 28718), (4498, 28552), (7138, 17992), (7439, 17264), (8632, 14878), (8944, 14359), (8996, 14276)]