28133814865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{51521}}^1$

素因数の和:51841

約数の個数: 32

約数和(自身を含む): 37669588992

約数和(自身を除く): 9535774127

約数列:

[1, 5, 13, 31, 65, 155, 271, 403, 1355, 2015, 3523, 8401, 17615, 42005, 51521, 109213, 257605, 546065, 669773, 1597151, 3348865, 7985755, 13962191, 20762963, 69810955, 103814815, 181508483, 432827921, 907542415, 2164139605, 5626762973, 28133814865]

約数ペア:

[(1, 28133814865), (5, 5626762973), (13, 2164139605), (31, 907542415), (65, 432827921), (155, 181508483), (271, 103814815), (403, 69810955), (1355, 20762963), (2015, 13962191), (3523, 7985755), (8401, 3348865), (17615, 1597151), (42005, 669773), (51521, 546065), (109213, 257605)]