78310388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{16921}}^1$

素因数の和:17027

約数の個数: 24

約数和(自身を含む): 149252040

約数和(自身を除く): 70941652

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 16921, 33842, 67684, 219973, 439946, 879892, 1505969, 3011938, 6023876, 19577597, 39155194, 78310388]

約数ペア:

[(1, 78310388), (2, 39155194), (4, 19577597), (13, 6023876), (26, 3011938), (52, 1505969), (89, 879892), (178, 439946), (356, 219973), (1157, 67684), (2314, 33842), (4628, 16921)]