161490056

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{221827}}^1$

素因数の和:221853

約数の個数: 32

約数和(自身を含む): 372671040

約数和(自身を除く): 211180984

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 221827, 443654, 887308, 1552789, 1774616, 2883751, 3105578, 5767502, 6211156, 11535004, 12422312, 20186257, 23070008, 40372514, 80745028, 161490056]

約数ペア:

[(1, 161490056), (2, 80745028), (4, 40372514), (7, 23070008), (8, 20186257), (13, 12422312), (14, 11535004), (26, 6211156), (28, 5767502), (52, 3105578), (56, 2883751), (91, 1774616), (104, 1552789), (182, 887308), (364, 443654), (728, 221827)]