51240028

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 105064960

約数和(自身を除く): 53824932

約数列:

[1, 2, 4, 7, 14, 28, 103, 109, 163, 206, 218, 326, 412, 436, 652, 721, 763, 1141, 1442, 1526, 2282, 2884, 3052, 4564, 11227, 16789, 17767, 22454, 33578, 35534, 44908, 67156, 71068, 78589, 117523, 124369, 157178, 235046, 248738, 314356, 470092, 497476, 1830001, 3660002, 7320004, 12810007, 25620014, 51240028]

約数ペア:

[(1, 51240028), (2, 25620014), (4, 12810007), (7, 7320004), (14, 3660002), (28, 1830001), (103, 497476), (109, 470092), (163, 314356), (206, 248738), (218, 235046), (326, 157178), (412, 124369), (436, 117523), (652, 78589), (721, 71068), (763, 67156), (1141, 44908), (1442, 35534), (1526, 33578), (2282, 22454), (2884, 17767), (3052, 16789), (4564, 11227)]