320228458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{587}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 531655488

約数和(自身を除く): 211427030

約数列:

[1, 2, 11, 22, 137, 181, 274, 362, 587, 1174, 1507, 1991, 3014, 3982, 6457, 12914, 24797, 49594, 80419, 106247, 160838, 212494, 272767, 545534, 884609, 1168717, 1769218, 2337434, 14555839, 29111678, 160114229, 320228458]

約数ペア:

[(1, 320228458), (2, 160114229), (11, 29111678), (22, 14555839), (137, 2337434), (181, 1769218), (274, 1168717), (362, 884609), (587, 545534), (1174, 272767), (1507, 212494), (1991, 160838), (3014, 106247), (3982, 80419), (6457, 49594), (12914, 24797)]