81781088

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{26347}}^1$

素因数の和:26454

約数の個数: 24

約数和(自身を含む): 162672552

約数和(自身を除く): 80891464

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 26347, 52694, 105388, 210776, 421552, 843104, 2555659, 5111318, 10222636, 20445272, 40890544, 81781088]

約数ペア:

[(1, 81781088), (2, 40890544), (4, 20445272), (8, 10222636), (16, 5111318), (32, 2555659), (97, 843104), (194, 421552), (388, 210776), (776, 105388), (1552, 52694), (3104, 26347)]