31899270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 83026944

約数和(自身を除く): 51127674

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 263, 311, 390, 526, 622, 789, 933, 1315, 1555, 1578, 1866, 2630, 3110, 3419, 3945, 4043, 4665, 6838, 7890, 8086, 9330, 10257, 12129, 17095, 20215, 20514, 24258, 34190, 40430, 51285, 60645, 81793, 102570, 121290, 163586, 245379, 408965, 490758, 817930, 1063309, 1226895, 2126618, 2453790, 3189927, 5316545, 6379854, 10633090, 15949635, 31899270]

約数ペア:

[(1, 31899270), (2, 15949635), (3, 10633090), (5, 6379854), (6, 5316545), (10, 3189927), (13, 2453790), (15, 2126618), (26, 1226895), (30, 1063309), (39, 817930), (65, 490758), (78, 408965), (130, 245379), (195, 163586), (263, 121290), (311, 102570), (390, 81793), (526, 60645), (622, 51285), (789, 40430), (933, 34190), (1315, 24258), (1555, 20514), (1578, 20215), (1866, 17095), (2630, 12129), (3110, 10257), (3419, 9330), (3945, 8086), (4043, 7890), (4665, 6838)]