64321984

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1253

約数の個数: 56

約数和(自身を含む): 136903968

約数和(自身を除く): 72581984

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 148, 184, 296, 368, 592, 736, 851, 1181, 1184, 1472, 1702, 2362, 2368, 3404, 4724, 6808, 9448, 13616, 18896, 27163, 27232, 37792, 43697, 54326, 54464, 75584, 87394, 108652, 174788, 217304, 349576, 434608, 699152, 869216, 1005031, 1398304, 1738432, 2010062, 2796608, 4020124, 8040248, 16080496, 32160992, 64321984]

約数ペア:

[(1, 64321984), (2, 32160992), (4, 16080496), (8, 8040248), (16, 4020124), (23, 2796608), (32, 2010062), (37, 1738432), (46, 1398304), (64, 1005031), (74, 869216), (92, 699152), (148, 434608), (184, 349576), (296, 217304), (368, 174788), (592, 108652), (736, 87394), (851, 75584), (1181, 54464), (1184, 54326), (1472, 43697), (1702, 37792), (2362, 27232), (2368, 27163), (3404, 18896), (4724, 13616), (6808, 9448)]