172078256

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 391474944

約数和(自身を除く): 219396688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 107, 112, 166, 173, 214, 332, 346, 428, 581, 664, 692, 749, 856, 1162, 1211, 1328, 1384, 1498, 1712, 2324, 2422, 2768, 2996, 4648, 4844, 5992, 8881, 9296, 9688, 11984, 14359, 17762, 18511, 19376, 28718, 35524, 37022, 57436, 62167, 71048, 74044, 100513, 114872, 124334, 129577, 142096, 148088, 201026, 229744, 248668, 259154, 296176, 402052, 497336, 518308, 804104, 994672, 1036616, 1536413, 1608208, 2073232, 3072826, 6145652, 10754891, 12291304, 21509782, 24582608, 43019564, 86039128, 172078256]

約数ペア:

[(1, 172078256), (2, 86039128), (4, 43019564), (7, 24582608), (8, 21509782), (14, 12291304), (16, 10754891), (28, 6145652), (56, 3072826), (83, 2073232), (107, 1608208), (112, 1536413), (166, 1036616), (173, 994672), (214, 804104), (332, 518308), (346, 497336), (428, 402052), (581, 296176), (664, 259154), (692, 248668), (749, 229744), (856, 201026), (1162, 148088), (1211, 142096), (1328, 129577), (1384, 124334), (1498, 114872), (1712, 100513), (2324, 74044), (2422, 71048), (2768, 62167), (2996, 57436), (4648, 37022), (4844, 35524), (5992, 28718), (8881, 19376), (9296, 18511), (9688, 17762), (11984, 14359)]