254993893

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 343816704

約数和(自身を除く): 88822811

約数列:

[1, 7, 11, 23, 49, 67, 77, 161, 253, 307, 469, 539, 737, 1127, 1541, 1771, 2149, 3283, 3377, 5159, 7061, 10787, 12397, 15043, 16951, 20569, 23639, 36113, 49427, 75509, 77671, 118657, 143983, 165473, 226259, 345989, 473087, 543697, 830599, 1007881, 1583813, 3311609, 3805879, 5203957, 11086691, 23181263, 36427699, 254993893]

約数ペア:

[(1, 254993893), (7, 36427699), (11, 23181263), (23, 11086691), (49, 5203957), (67, 3805879), (77, 3311609), (161, 1583813), (253, 1007881), (307, 830599), (469, 543697), (539, 473087), (737, 345989), (1127, 226259), (1541, 165473), (1771, 143983), (2149, 118657), (3283, 77671), (3377, 75509), (5159, 49427), (7061, 36113), (10787, 23639), (12397, 20569), (15043, 16951)]