287873138

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2579}}^1$

素因数の和:2679

約数の個数: 48

約数和(自身を含む): 540004320

約数和(自身を除く): 252131182

約数列:

[1, 2, 7, 14, 17, 34, 49, 67, 98, 119, 134, 238, 469, 833, 938, 1139, 1666, 2278, 2579, 3283, 5158, 6566, 7973, 15946, 18053, 36106, 43843, 55811, 87686, 111622, 126371, 172793, 252742, 306901, 345586, 613802, 1209551, 2148307, 2419102, 2937481, 4296614, 5874962, 8466857, 16933714, 20562367, 41124734, 143936569, 287873138]

約数ペア:

[(1, 287873138), (2, 143936569), (7, 41124734), (14, 20562367), (17, 16933714), (34, 8466857), (49, 5874962), (67, 4296614), (98, 2937481), (119, 2419102), (134, 2148307), (238, 1209551), (469, 613802), (833, 345586), (938, 306901), (1139, 252742), (1666, 172793), (2278, 126371), (2579, 111622), (3283, 87686), (5158, 55811), (6566, 43843), (7973, 36106), (15946, 18053)]