39979835

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 61313760

約数和(自身を除く): 21333925

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 203, 245, 331, 493, 595, 833, 1015, 1421, 1655, 2317, 2465, 3451, 4165, 5627, 7105, 9599, 11585, 16219, 17255, 24157, 28135, 39389, 47995, 67193, 81095, 120785, 163183, 196945, 275723, 335965, 470351, 815915, 1142281, 1378615, 2351755, 5711405, 7995967, 39979835]

約数ペア:

[(1, 39979835), (5, 7995967), (7, 5711405), (17, 2351755), (29, 1378615), (35, 1142281), (49, 815915), (85, 470351), (119, 335965), (145, 275723), (203, 196945), (245, 163183), (331, 120785), (493, 81095), (595, 67193), (833, 47995), (1015, 39389), (1421, 28135), (1655, 24157), (2317, 17255), (2465, 16219), (3451, 11585), (4165, 9599), (5627, 7105)]