238924985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 320546688

約数和(自身を除く): 81621703

約数列:

[1, 5, 13, 43, 65, 73, 215, 365, 559, 949, 1171, 2795, 3139, 4745, 5855, 15223, 15695, 40807, 50353, 76115, 85483, 204035, 251765, 427415, 654589, 1111279, 3272945, 3675769, 5556395, 18378845, 47784997, 238924985]

約数ペア:

[(1, 238924985), (5, 47784997), (13, 18378845), (43, 5556395), (65, 3675769), (73, 3272945), (215, 1111279), (365, 654589), (559, 427415), (949, 251765), (1171, 204035), (2795, 85483), (3139, 76115), (4745, 50353), (5855, 40807), (15223, 15695)]