1988972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 3638880

約数和(自身を除く): 1649908

約数列:

[1, 2, 4, 37, 74, 89, 148, 151, 178, 302, 356, 604, 3293, 5587, 6586, 11174, 13172, 13439, 22348, 26878, 53756, 497243, 994486, 1988972]

約数ペア:

[(1, 1988972), (2, 994486), (4, 497243), (37, 53756), (74, 26878), (89, 22348), (148, 13439), (151, 13172), (178, 11174), (302, 6586), (356, 5587), (604, 3293)]