156978542

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{1307}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 281774592

約数和(自身を除く): 124796050

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 373, 746, 1307, 2611, 2614, 5222, 8579, 9149, 17158, 18298, 30061, 60053, 60122, 120106, 210427, 420854, 487511, 975022, 3412577, 6825154, 11212753, 22425506, 78489271, 156978542]

約数ペア:

[(1, 156978542), (2, 78489271), (7, 22425506), (14, 11212753), (23, 6825154), (46, 3412577), (161, 975022), (322, 487511), (373, 420854), (746, 210427), (1307, 120106), (2611, 60122), (2614, 60053), (5222, 30061), (8579, 18298), (9149, 17158)]