221729308

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{21101}}^1$

素因数の和:21213

約数の個数: 24

約数和(自身を含む): 404145504

約数和(自身を除く): 182416196

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2627, 5254, 10508, 21101, 42202, 84404, 780737, 1498171, 1561474, 2996342, 3122948, 5992684, 55432327, 110864654, 221729308]

約数ペア:

[(1, 221729308), (2, 110864654), (4, 55432327), (37, 5992684), (71, 3122948), (74, 2996342), (142, 1561474), (148, 1498171), (284, 780737), (2627, 84404), (5254, 42202), (10508, 21101)]