81518056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2963}}^1$

素因数の和:3169

約数の個数: 32

約数和(自身を含む): 161834400

約数和(自身を除く): 80316344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 181, 362, 724, 1448, 2963, 3439, 5926, 6878, 11852, 13756, 23704, 27512, 56297, 112594, 225188, 450376, 536303, 1072606, 2145212, 4290424, 10189757, 20379514, 40759028, 81518056]

約数ペア:

[(1, 81518056), (2, 40759028), (4, 20379514), (8, 10189757), (19, 4290424), (38, 2145212), (76, 1072606), (152, 536303), (181, 450376), (362, 225188), (724, 112594), (1448, 56297), (2963, 27512), (3439, 23704), (5926, 13756), (6878, 11852)]