80897986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{4931}}^1$

素因数の和:5577

約数の個数: 16

約数和(自身を含む): 130915008

約数和(自身を除く): 50017022

約数列:

[1, 2, 13, 26, 631, 1262, 4931, 8203, 9862, 16406, 64103, 128206, 3111461, 6222922, 40448993, 80897986]

約数ペア:

[(1, 80897986), (2, 40448993), (13, 6222922), (26, 3111461), (631, 128206), (1262, 64103), (4931, 16406), (8203, 9862)]