181321816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{13309}}^1$

素因数の和:13459

約数の個数: 32

約数和(自身を含む): 368953200

約数和(自身を除く): 187631384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 262, 524, 1048, 1703, 3406, 6812, 13309, 13624, 26618, 53236, 106472, 173017, 346034, 692068, 1384136, 1743479, 3486958, 6973916, 13947832, 22665227, 45330454, 90660908, 181321816]

約数ペア:

[(1, 181321816), (2, 90660908), (4, 45330454), (8, 22665227), (13, 13947832), (26, 6973916), (52, 3486958), (104, 1743479), (131, 1384136), (262, 692068), (524, 346034), (1048, 173017), (1703, 106472), (3406, 53236), (6812, 26618), (13309, 13624)]