789175970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{18443}}^1$

素因数の和:18850

約数の個数: 32

約数和(自身を含む): 1553722560

約数和(自身を除く): 764546590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 8558, 18443, 21395, 36886, 42790, 92215, 184430, 202873, 405746, 1014365, 2028730, 7174327, 14348654, 35871635, 71743270, 78917597, 157835194, 394587985, 789175970]

約数ペア:

[(1, 789175970), (2, 394587985), (5, 157835194), (10, 78917597), (11, 71743270), (22, 35871635), (55, 14348654), (110, 7174327), (389, 2028730), (778, 1014365), (1945, 405746), (3890, 202873), (4279, 184430), (8558, 92215), (18443, 42790), (21395, 36886)]