28022855

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4973}}^1$

素因数の和:5015

約数の個数: 24

約数和(自身を含む): 40826592

約数和(自身を除く): 12803737

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 4973, 5635, 24865, 34811, 114379, 174055, 243677, 571895, 800653, 1218385, 4003265, 5604571, 28022855]

約数ペア:

[(1, 28022855), (5, 5604571), (7, 4003265), (23, 1218385), (35, 800653), (49, 571895), (115, 243677), (161, 174055), (245, 114379), (805, 34811), (1127, 24865), (4973, 5635)]