138354505

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 177292800

約数和(自身を除く): 38938295

約数列:

[1, 5, 29, 71, 89, 145, 151, 355, 445, 755, 2059, 2581, 4379, 6319, 10295, 10721, 12905, 13439, 21895, 31595, 53605, 67195, 183251, 310909, 389731, 916255, 954169, 1554545, 1948655, 4770845, 27670901, 138354505]

約数ペア:

[(1, 138354505), (5, 27670901), (29, 4770845), (71, 1948655), (89, 1554545), (145, 954169), (151, 916255), (355, 389731), (445, 310909), (755, 183251), (2059, 67195), (2581, 53605), (4379, 31595), (6319, 21895), (10295, 13439), (10721, 12905)]