81872388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{13457}}^1$

素因数の和:13493

約数の個数: 54

約数和(自身を含む): 224116074

約数和(自身を除く): 142243686

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 13457, 26914, 40371, 53828, 80742, 121113, 161484, 174941, 242226, 349882, 484452, 524823, 699764, 1049646, 1574469, 2099292, 2274233, 3148938, 4548466, 6297876, 6822699, 9096932, 13645398, 20468097, 27290796, 40936194, 81872388]

約数ペア:

[(1, 81872388), (2, 40936194), (3, 27290796), (4, 20468097), (6, 13645398), (9, 9096932), (12, 6822699), (13, 6297876), (18, 4548466), (26, 3148938), (36, 2274233), (39, 2099292), (52, 1574469), (78, 1049646), (117, 699764), (156, 524823), (169, 484452), (234, 349882), (338, 242226), (468, 174941), (507, 161484), (676, 121113), (1014, 80742), (1521, 53828), (2028, 40371), (3042, 26914), (6084, 13457)]