291268432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 698205312

約数和(自身を除く): 406936880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 251, 364, 502, 728, 797, 1004, 1456, 1594, 1757, 2008, 3188, 3263, 3514, 4016, 5579, 6376, 6526, 7028, 10361, 11158, 12752, 13052, 14056, 20722, 22316, 22841, 26104, 28112, 41444, 44632, 45682, 52208, 72527, 82888, 89264, 91364, 145054, 165776, 182728, 200047, 290108, 365456, 400094, 580216, 800188, 1160432, 1400329, 1600376, 2600611, 2800658, 3200752, 5201222, 5601316, 10402444, 11202632, 18204277, 20804888, 22405264, 36408554, 41609776, 72817108, 145634216, 291268432]

約数ペア:

[(1, 291268432), (2, 145634216), (4, 72817108), (7, 41609776), (8, 36408554), (13, 22405264), (14, 20804888), (16, 18204277), (26, 11202632), (28, 10402444), (52, 5601316), (56, 5201222), (91, 3200752), (104, 2800658), (112, 2600611), (182, 1600376), (208, 1400329), (251, 1160432), (364, 800188), (502, 580216), (728, 400094), (797, 365456), (1004, 290108), (1456, 200047), (1594, 182728), (1757, 165776), (2008, 145054), (3188, 91364), (3263, 89264), (3514, 82888), (4016, 72527), (5579, 52208), (6376, 45682), (6526, 44632), (7028, 41444), (10361, 28112), (11158, 26104), (12752, 22841), (13052, 22316), (14056, 20722)]