387591698

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 660275712

約数和(自身を除く): 272684014

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 169, 338, 403, 521, 806, 923, 1042, 1846, 2201, 4402, 5239, 6773, 10478, 11999, 13546, 16151, 23998, 28613, 32302, 36991, 57226, 73982, 88049, 176098, 209963, 371969, 419926, 480883, 743938, 961766, 1146721, 2293442, 2729519, 5459038, 6251479, 12502958, 14907373, 29814746, 193795849, 387591698]

約数ペア:

[(1, 387591698), (2, 193795849), (13, 29814746), (26, 14907373), (31, 12502958), (62, 6251479), (71, 5459038), (142, 2729519), (169, 2293442), (338, 1146721), (403, 961766), (521, 743938), (806, 480883), (923, 419926), (1042, 371969), (1846, 209963), (2201, 176098), (4402, 88049), (5239, 73982), (6773, 57226), (10478, 36991), (11999, 32302), (13546, 28613), (16151, 23998)]