831895415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{811}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 1104423936

約数和(自身を除く): 272528521

約数列:

[1, 5, 13, 43, 65, 215, 367, 559, 811, 1835, 2795, 4055, 4771, 10543, 15781, 23855, 34873, 52715, 78905, 174365, 205153, 297637, 453349, 1025765, 1488185, 2266745, 3869281, 12798391, 19346405, 63991955, 166379083, 831895415]

約数ペア:

[(1, 831895415), (5, 166379083), (13, 63991955), (43, 19346405), (65, 12798391), (215, 3869281), (367, 2266745), (559, 1488185), (811, 1025765), (1835, 453349), (2795, 297637), (4055, 205153), (4771, 174365), (10543, 78905), (15781, 52715), (23855, 34873)]