42691495

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 68198400

約数和(自身を除く): 25506905

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 73, 77, 155, 217, 245, 341, 343, 365, 385, 511, 539, 803, 1085, 1519, 1705, 1715, 2263, 2387, 2555, 2695, 3577, 3773, 4015, 5621, 7595, 10633, 11315, 11935, 15841, 16709, 17885, 18865, 24893, 25039, 28105, 39347, 53165, 79205, 83545, 110887, 116963, 124465, 125195, 174251, 196735, 275429, 554435, 584815, 776209, 871255, 1219757, 1377145, 3881045, 6098785, 8538299, 42691495]

約数ペア:

[(1, 42691495), (5, 8538299), (7, 6098785), (11, 3881045), (31, 1377145), (35, 1219757), (49, 871255), (55, 776209), (73, 584815), (77, 554435), (155, 275429), (217, 196735), (245, 174251), (341, 125195), (343, 124465), (365, 116963), (385, 110887), (511, 83545), (539, 79205), (803, 53165), (1085, 39347), (1519, 28105), (1705, 25039), (1715, 24893), (2263, 18865), (2387, 17885), (2555, 16709), (2695, 15841), (3577, 11935), (3773, 11315), (4015, 10633), (5621, 7595)]