16990688

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 40642560

約数和(自身を除く): 23651872

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 47, 52, 79, 88, 94, 104, 143, 158, 176, 188, 208, 286, 316, 352, 376, 416, 517, 572, 611, 632, 752, 869, 1027, 1034, 1144, 1222, 1264, 1504, 1738, 2054, 2068, 2288, 2444, 2528, 3476, 3713, 4108, 4136, 4576, 4888, 6721, 6952, 7426, 8216, 8272, 9776, 11297, 13442, 13904, 14852, 16432, 16544, 19552, 22594, 26884, 27808, 29704, 32864, 40843, 45188, 48269, 53768, 59408, 81686, 90376, 96538, 107536, 118816, 163372, 180752, 193076, 215072, 326744, 361504, 386152, 530959, 653488, 772304, 1061918, 1306976, 1544608, 2123836, 4247672, 8495344, 16990688]

約数ペア:

[(1, 16990688), (2, 8495344), (4, 4247672), (8, 2123836), (11, 1544608), (13, 1306976), (16, 1061918), (22, 772304), (26, 653488), (32, 530959), (44, 386152), (47, 361504), (52, 326744), (79, 215072), (88, 193076), (94, 180752), (104, 163372), (143, 118816), (158, 107536), (176, 96538), (188, 90376), (208, 81686), (286, 59408), (316, 53768), (352, 48269), (376, 45188), (416, 40843), (517, 32864), (572, 29704), (611, 27808), (632, 26884), (752, 22594), (869, 19552), (1027, 16544), (1034, 16432), (1144, 14852), (1222, 13904), (1264, 13442), (1504, 11297), (1738, 9776), (2054, 8272), (2068, 8216), (2288, 7426), (2444, 6952), (2528, 6721), (3476, 4888), (3713, 4576), (4108, 4136)]