670037473

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 827228160

約数和(自身を除く): 157190687

約数列:

[1, 7, 17, 79, 119, 263, 271, 553, 1343, 1841, 1897, 4471, 4607, 9401, 20777, 21409, 31297, 32249, 71273, 145439, 149863, 353209, 363953, 498911, 1211641, 2472463, 2547671, 5630567, 8481487, 39413969, 95719639, 670037473]

約数ペア:

[(1, 670037473), (7, 95719639), (17, 39413969), (79, 8481487), (119, 5630567), (263, 2547671), (271, 2472463), (553, 1211641), (1343, 498911), (1841, 363953), (1897, 353209), (4471, 149863), (4607, 145439), (9401, 71273), (20777, 32249), (21409, 31297)]