211673540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{814129}}^1$

素因数の和:814151

約数の個数: 24

約数和(自身を含む): 478708440

約数和(自身を除く): 267034900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 814129, 1628258, 3256516, 4070645, 8141290, 10583677, 16282580, 21167354, 42334708, 52918385, 105836770, 211673540]

約数ペア:

[(1, 211673540), (2, 105836770), (4, 52918385), (5, 42334708), (10, 21167354), (13, 16282580), (20, 10583677), (26, 8141290), (52, 4070645), (65, 3256516), (130, 1628258), (260, 814129)]