81767010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209659}}^1$

素因数の和:209682

約数の個数: 32

約数和(自身を含む): 211337280

約数和(自身を除く): 129570270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209659, 419318, 628977, 1048295, 1257954, 2096590, 2725567, 3144885, 5451134, 6289770, 8176701, 13627835, 16353402, 27255670, 40883505, 81767010]

約数ペア:

[(1, 81767010), (2, 40883505), (3, 27255670), (5, 16353402), (6, 13627835), (10, 8176701), (13, 6289770), (15, 5451134), (26, 3144885), (30, 2725567), (39, 2096590), (65, 1257954), (78, 1048295), (130, 628977), (195, 419318), (390, 209659)]