128467612

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 284573184

約数和(自身を除く): 156105572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 127, 182, 196, 254, 364, 397, 508, 637, 794, 889, 1274, 1588, 1651, 1778, 2548, 2779, 3302, 3556, 5161, 5558, 6223, 6604, 10322, 11116, 11557, 12446, 19453, 20644, 23114, 24892, 36127, 38906, 46228, 50419, 72254, 77812, 80899, 100838, 144508, 161798, 201676, 252889, 323596, 352933, 505778, 655447, 705866, 1011556, 1310894, 1411732, 2470531, 2621788, 4588129, 4941062, 9176258, 9882124, 18352516, 32116903, 64233806, 128467612]

約数ペア:

[(1, 128467612), (2, 64233806), (4, 32116903), (7, 18352516), (13, 9882124), (14, 9176258), (26, 4941062), (28, 4588129), (49, 2621788), (52, 2470531), (91, 1411732), (98, 1310894), (127, 1011556), (182, 705866), (196, 655447), (254, 505778), (364, 352933), (397, 323596), (508, 252889), (637, 201676), (794, 161798), (889, 144508), (1274, 100838), (1588, 80899), (1651, 77812), (1778, 72254), (2548, 50419), (2779, 46228), (3302, 38906), (3556, 36127), (5161, 24892), (5558, 23114), (6223, 20644), (6604, 19453), (10322, 12446), (11116, 11557)]