245075545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{971}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 346840704

約数和(自身を除く): 101765159

約数列:

[1, 5, 11, 13, 55, 65, 143, 353, 715, 971, 1765, 3883, 4589, 4855, 10681, 12623, 19415, 22945, 50479, 53405, 63115, 138853, 252395, 342763, 694265, 1713815, 3770393, 4455919, 18851965, 22279595, 49015109, 245075545]

約数ペア:

[(1, 245075545), (5, 49015109), (11, 22279595), (13, 18851965), (55, 4455919), (65, 3770393), (143, 1713815), (353, 694265), (715, 342763), (971, 252395), (1765, 138853), (3883, 63115), (4589, 53405), (4855, 50479), (10681, 22945), (12623, 19415)]