211990610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{6823}}^1$

素因数の和:7082

約数の個数: 32

約数和(自身を含む): 412715520

約数和(自身を除く): 200724910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 1195, 2390, 3107, 6214, 6823, 13646, 15535, 31070, 34115, 68230, 88699, 177398, 443495, 886990, 1630697, 3261394, 8153485, 16306970, 21199061, 42398122, 105995305, 211990610]

約数ペア:

[(1, 211990610), (2, 105995305), (5, 42398122), (10, 21199061), (13, 16306970), (26, 8153485), (65, 3261394), (130, 1630697), (239, 886990), (478, 443495), (1195, 177398), (2390, 88699), (3107, 68230), (6214, 34115), (6823, 31070), (13646, 15535)]