628460326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 1097349120

約数和(自身を除く): 468888794

約数列:

[1, 2, 13, 23, 26, 46, 53, 79, 106, 158, 251, 299, 502, 598, 689, 1027, 1219, 1378, 1817, 2054, 2438, 3263, 3634, 4187, 5773, 6526, 8374, 11546, 13303, 15847, 19829, 23621, 26606, 31694, 39658, 47242, 54431, 75049, 96301, 108862, 150098, 172939, 192602, 257777, 305969, 345878, 456067, 515554, 611938, 912134, 1050937, 1251913, 2101874, 2503826, 3977597, 5928871, 7955194, 11857742, 13662181, 24171551, 27324362, 48343102, 314230163, 628460326]

約数ペア:

[(1, 628460326), (2, 314230163), (13, 48343102), (23, 27324362), (26, 24171551), (46, 13662181), (53, 11857742), (79, 7955194), (106, 5928871), (158, 3977597), (251, 2503826), (299, 2101874), (502, 1251913), (598, 1050937), (689, 912134), (1027, 611938), (1219, 515554), (1378, 456067), (1817, 345878), (2054, 305969), (2438, 257777), (3263, 192602), (3634, 172939), (4187, 150098), (5773, 108862), (6526, 96301), (8374, 75049), (11546, 54431), (13303, 47242), (15847, 39658), (19829, 31694), (23621, 26606)]