128976458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{36209}}^1$

素因数の和:36361

約数の個数: 16

約数和(自身を含む): 209873160

約数和(自身を除く): 80896702

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 36209, 72418, 470717, 941434, 4960633, 9921266, 64488229, 128976458]

約数ペア:

[(1, 128976458), (2, 64488229), (13, 9921266), (26, 4960633), (137, 941434), (274, 470717), (1781, 72418), (3562, 36209)]