640619286

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1\times {\mathrm{2797}}^1$

素因数の和:3508

約数の個数: 32

約数和(自身を含む): 1305434880

約数和(自身を除く): 664815594

約数列:

[1, 2, 3, 6, 59, 118, 177, 354, 647, 1294, 1941, 2797, 3882, 5594, 8391, 16782, 38173, 76346, 114519, 165023, 229038, 330046, 495069, 990138, 1809659, 3619318, 5428977, 10857954, 106769881, 213539762, 320309643, 640619286]

約数ペア:

[(1, 640619286), (2, 320309643), (3, 213539762), (6, 106769881), (59, 10857954), (118, 5428977), (177, 3619318), (354, 1809659), (647, 990138), (1294, 495069), (1941, 330046), (2797, 229038), (3882, 165023), (5594, 114519), (8391, 76346), (16782, 38173)]