64697836

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 137951856

約数和(自身を除く): 73254020

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 83, 97, 98, 164, 166, 194, 196, 287, 332, 388, 574, 581, 679, 1148, 1162, 1358, 2009, 2324, 2716, 3403, 3977, 4018, 4067, 4753, 6806, 7954, 8036, 8051, 8134, 9506, 13612, 15908, 16102, 16268, 19012, 23821, 27839, 32204, 47642, 55678, 56357, 95284, 111356, 112714, 166747, 194873, 225428, 330091, 333494, 389746, 394499, 660182, 666988, 779492, 788998, 1320364, 1577996, 2310637, 4621274, 9242548, 16174459, 32348918, 64697836]

約数ペア:

[(1, 64697836), (2, 32348918), (4, 16174459), (7, 9242548), (14, 4621274), (28, 2310637), (41, 1577996), (49, 1320364), (82, 788998), (83, 779492), (97, 666988), (98, 660182), (164, 394499), (166, 389746), (194, 333494), (196, 330091), (287, 225428), (332, 194873), (388, 166747), (574, 112714), (581, 111356), (679, 95284), (1148, 56357), (1162, 55678), (1358, 47642), (2009, 32204), (2324, 27839), (2716, 23821), (3403, 19012), (3977, 16268), (4018, 16102), (4067, 15908), (4753, 13612), (6806, 9506), (7954, 8134), (8036, 8051)]