2019988350863

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{1223}}^1\times {\mathrm{12263}}^1$

素因数の和:13835

約数の個数: 32

約数和(自身を含む): 2351824699392

約数和(自身を除く): 331836348529

約数列:

[1, 7, 71, 271, 497, 1223, 1897, 8561, 12263, 19241, 85841, 86833, 134687, 331433, 607831, 870673, 2320031, 3323273, 6094711, 14997649, 23262911, 23531743, 104983543, 164722201, 235952383, 1064833079, 1651666681, 4064362879, 7453831553, 28450540153, 288569764409, 2019988350863]

約数ペア:

[(1, 2019988350863), (7, 288569764409), (71, 28450540153), (271, 7453831553), (497, 4064362879), (1223, 1651666681), (1897, 1064833079), (8561, 235952383), (12263, 164722201), (19241, 104983543), (85841, 23531743), (86833, 23262911), (134687, 14997649), (331433, 6094711), (607831, 3323273), (870673, 2320031)]