1212854555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1\times {\mathrm{27191}}^1$

素因数の和:28018

約数の個数: 16

約数和(自身を含む): 1589753088

約数和(自身を除く): 376898533

約数列:

[1, 5, 11, 55, 811, 4055, 8921, 27191, 44605, 135955, 299101, 1495505, 22051901, 110259505, 242570911, 1212854555]

約数ペア:

[(1, 1212854555), (5, 242570911), (11, 110259505), (55, 22051901), (811, 1495505), (4055, 299101), (8921, 135955), (27191, 44605)]