291105808

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{6547}}^1$

素因数の和:6959

約数の個数: 40

約数和(自身を含む): 646313792

約数和(自身を除く): 355207984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 2779, 3176, 5558, 6352, 6547, 11116, 13094, 22232, 26188, 44464, 45829, 52376, 91658, 104752, 183316, 366632, 733264, 2599159, 5198318, 10396636, 18194113, 20793272, 36388226, 41586544, 72776452, 145552904, 291105808]

約数ペア:

[(1, 291105808), (2, 145552904), (4, 72776452), (7, 41586544), (8, 36388226), (14, 20793272), (16, 18194113), (28, 10396636), (56, 5198318), (112, 2599159), (397, 733264), (794, 366632), (1588, 183316), (2779, 104752), (3176, 91658), (5558, 52376), (6352, 45829), (6547, 44464), (11116, 26188), (13094, 22232)]