81315336

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{18719}}^1$

素因数の和:18909

約数の個数: 32

約数和(自身を含む): 204422400

約数和(自身を除く): 123107064

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 18719, 37438, 56157, 74876, 112314, 149752, 224628, 449256, 3388139, 6776278, 10164417, 13552556, 20328834, 27105112, 40657668, 81315336]

約数ペア:

[(1, 81315336), (2, 40657668), (3, 27105112), (4, 20328834), (6, 13552556), (8, 10164417), (12, 6776278), (24, 3388139), (181, 449256), (362, 224628), (543, 149752), (724, 112314), (1086, 74876), (1448, 56157), (2172, 37438), (4344, 18719)]