28002247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 38126592

約数和(自身を除く): 10124345

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 787, 1547, 2093, 2737, 5083, 5509, 10231, 13379, 18101, 35581, 71617, 93653, 126707, 173927, 235313, 307717, 1217489, 1647191, 2154019, 4000321, 28002247]

約数ペア:

[(1, 28002247), (7, 4000321), (13, 2154019), (17, 1647191), (23, 1217489), (91, 307717), (119, 235313), (161, 173927), (221, 126707), (299, 93653), (391, 71617), (787, 35581), (1547, 18101), (2093, 13379), (2737, 10231), (5083, 5509)]