201721858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2693}}^1$

素因数の和:2818

約数の個数: 32

約数和(自身を含む): 338538816

約数和(自身を除く): 136816958

約数列:

[1, 2, 13, 26, 43, 67, 86, 134, 559, 871, 1118, 1742, 2693, 2881, 5386, 5762, 35009, 37453, 70018, 74906, 115799, 180431, 231598, 360862, 1505387, 2345603, 3010774, 4691206, 7758533, 15517066, 100860929, 201721858]

約数ペア:

[(1, 201721858), (2, 100860929), (13, 15517066), (26, 7758533), (43, 4691206), (67, 3010774), (86, 2345603), (134, 1505387), (559, 360862), (871, 231598), (1118, 180431), (1742, 115799), (2693, 74906), (2881, 70018), (5386, 37453), (5762, 35009)]