16405423636

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{997}}^1\times {\mathrm{2269}}^1$

素因数の和:3321

約数の個数: 72

約数和(自身を含む): 34348904520

約数和(自身を除く): 17943480884

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 997, 1036, 1813, 1994, 2269, 3626, 3988, 4538, 6979, 7252, 9076, 13958, 15883, 27916, 31766, 36889, 48853, 63532, 73778, 83953, 97706, 111181, 147556, 167906, 195412, 222362, 258223, 335812, 444724, 516446, 587671, 1032892, 1175342, 1807561, 2262193, 2350684, 3615122, 4113697, 4524386, 7230244, 8227394, 9048772, 15835351, 16454788, 31670702, 63341404, 83701141, 110847457, 167402282, 221694914, 334804564, 443389828, 585907987, 1171815974, 2343631948, 4101355909, 8202711818, 16405423636]

約数ペア:

[(1, 16405423636), (2, 8202711818), (4, 4101355909), (7, 2343631948), (14, 1171815974), (28, 585907987), (37, 443389828), (49, 334804564), (74, 221694914), (98, 167402282), (148, 110847457), (196, 83701141), (259, 63341404), (518, 31670702), (997, 16454788), (1036, 15835351), (1813, 9048772), (1994, 8227394), (2269, 7230244), (3626, 4524386), (3988, 4113697), (4538, 3615122), (6979, 2350684), (7252, 2262193), (9076, 1807561), (13958, 1175342), (15883, 1032892), (27916, 587671), (31766, 516446), (36889, 444724), (48853, 335812), (63532, 258223), (73778, 222362), (83953, 195412), (97706, 167906), (111181, 147556)]