31387202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 65525760

約数和(自身を除く): 34138558

約数列:

[1, 2, 7, 11, 14, 17, 19, 22, 34, 38, 77, 119, 133, 154, 187, 209, 238, 266, 323, 374, 418, 631, 646, 1262, 1309, 1463, 2261, 2618, 2926, 3553, 4417, 4522, 6941, 7106, 8834, 10727, 11989, 13882, 21454, 23978, 24871, 48587, 49742, 75089, 83923, 97174, 117997, 131879, 150178, 167846, 203813, 235994, 263758, 407626, 825979, 923153, 1426691, 1651958, 1846306, 2241943, 2853382, 4483886, 15693601, 31387202]

約数ペア:

[(1, 31387202), (2, 15693601), (7, 4483886), (11, 2853382), (14, 2241943), (17, 1846306), (19, 1651958), (22, 1426691), (34, 923153), (38, 825979), (77, 407626), (119, 263758), (133, 235994), (154, 203813), (187, 167846), (209, 150178), (238, 131879), (266, 117997), (323, 97174), (374, 83923), (418, 75089), (631, 49742), (646, 48587), (1262, 24871), (1309, 23978), (1463, 21454), (2261, 13882), (2618, 11989), (2926, 10727), (3553, 8834), (4417, 7106), (4522, 6941)]