239778868

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 488001024

約数和(自身を除く): 248222156

約数列:

[1, 2, 4, 7, 14, 28, 107, 163, 214, 326, 428, 491, 652, 749, 982, 1141, 1498, 1964, 2282, 2996, 3437, 4564, 6874, 13748, 17441, 34882, 52537, 69764, 80033, 105074, 122087, 160066, 210148, 244174, 320132, 367759, 488348, 560231, 735518, 1120462, 1471036, 2240924, 8563531, 17127062, 34254124, 59944717, 119889434, 239778868]

約数ペア:

[(1, 239778868), (2, 119889434), (4, 59944717), (7, 34254124), (14, 17127062), (28, 8563531), (107, 2240924), (163, 1471036), (214, 1120462), (326, 735518), (428, 560231), (491, 488348), (652, 367759), (749, 320132), (982, 244174), (1141, 210148), (1498, 160066), (1964, 122087), (2282, 105074), (2996, 80033), (3437, 69764), (4564, 52537), (6874, 34882), (13748, 17441)]