12978368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:865

約数の個数: 56

約数和(自身を含む): 29230320

約数和(自身を除く): 16251952

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 821, 832, 988, 1216, 1642, 1976, 3284, 3952, 6568, 7904, 10673, 13136, 15599, 15808, 21346, 26272, 31198, 42692, 52544, 62396, 85384, 124792, 170768, 202787, 249584, 341536, 405574, 499168, 683072, 811148, 998336, 1622296, 3244592, 6489184, 12978368]

約数ペア:

[(1, 12978368), (2, 6489184), (4, 3244592), (8, 1622296), (13, 998336), (16, 811148), (19, 683072), (26, 499168), (32, 405574), (38, 341536), (52, 249584), (64, 202787), (76, 170768), (104, 124792), (152, 85384), (208, 62396), (247, 52544), (304, 42692), (416, 31198), (494, 26272), (608, 21346), (821, 15808), (832, 15599), (988, 13136), (1216, 10673), (1642, 7904), (1976, 6568), (3284, 3952)]