197225959

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 246343680

約数和(自身を除く): 49117721

約数列:

[1, 7, 17, 47, 119, 179, 197, 329, 799, 1253, 1379, 3043, 3349, 5593, 8413, 9259, 21301, 23443, 35263, 58891, 64813, 143021, 157403, 246841, 599471, 1001147, 1101821, 1657361, 4196297, 11601527, 28175137, 197225959]

約数ペア:

[(1, 197225959), (7, 28175137), (17, 11601527), (47, 4196297), (119, 1657361), (179, 1101821), (197, 1001147), (329, 599471), (799, 246841), (1253, 157403), (1379, 143021), (3043, 64813), (3349, 58891), (5593, 35263), (8413, 23443), (9259, 21301)]