217948718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 360067680

約数和(自身を除く): 142118962

約数列:

[1, 2, 13, 26, 89, 97, 178, 194, 971, 1157, 1261, 1942, 2314, 2522, 8633, 12623, 17266, 25246, 86419, 94187, 112229, 172838, 188374, 224458, 1123447, 1224431, 2246894, 2448862, 8382643, 16765286, 108974359, 217948718]

約数ペア:

[(1, 217948718), (2, 108974359), (13, 16765286), (26, 8382643), (89, 2448862), (97, 2246894), (178, 1224431), (194, 1123447), (971, 224458), (1157, 188374), (1261, 172838), (1942, 112229), (2314, 94187), (2522, 86419), (8633, 25246), (12623, 17266)]