1981591295

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{673}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 2494727424

約数和(自身を除く): 513136129

約数列:

[1, 5, 41, 53, 205, 265, 271, 673, 1355, 2173, 3365, 10865, 11111, 14363, 27593, 35669, 55555, 71815, 137965, 178345, 182383, 588883, 911915, 1462429, 2944415, 7312145, 7477703, 9666299, 37388515, 48331495, 396318259, 1981591295]

約数ペア:

[(1, 1981591295), (5, 396318259), (41, 48331495), (53, 37388515), (205, 9666299), (265, 7477703), (271, 7312145), (673, 2944415), (1355, 1462429), (2173, 911915), (3365, 588883), (10865, 182383), (11111, 178345), (14363, 137965), (27593, 71815), (35669, 55555)]