12910105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 17740800

約数和(自身を除く): 4830695

約数列:

[1, 5, 13, 31, 43, 65, 149, 155, 215, 403, 559, 745, 1333, 1937, 2015, 2795, 4619, 6407, 6665, 9685, 17329, 23095, 32035, 60047, 83291, 86645, 198617, 300235, 416455, 993085, 2582021, 12910105]

約数ペア:

[(1, 12910105), (5, 2582021), (13, 993085), (31, 416455), (43, 300235), (65, 198617), (149, 86645), (155, 83291), (215, 60047), (403, 32035), (559, 23095), (745, 17329), (1333, 9685), (1937, 6665), (2015, 6407), (2795, 4619)]