81932656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 191862720

約数和(自身を除く): 109930064

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 47, 52, 58, 68, 94, 104, 116, 136, 188, 208, 221, 232, 272, 289, 376, 377, 442, 464, 493, 578, 611, 752, 754, 799, 884, 986, 1156, 1222, 1363, 1508, 1598, 1768, 1972, 2312, 2444, 2726, 3016, 3196, 3536, 3757, 3944, 4624, 4888, 5452, 6032, 6392, 6409, 7514, 7888, 8381, 9776, 10387, 10904, 12784, 12818, 13583, 15028, 16762, 17719, 20774, 21808, 23171, 25636, 27166, 30056, 33524, 35438, 41548, 46342, 51272, 54332, 60112, 67048, 70876, 83096, 92684, 102544, 108664, 108953, 134096, 141752, 166192, 176579, 185368, 217328, 217906, 283504, 301223, 353158, 370736, 393907, 435812, 602446, 706316, 787814, 871624, 1204892, 1412632, 1575628, 1743248, 2409784, 2825264, 3151256, 4819568, 5120791, 6302512, 10241582, 20483164, 40966328, 81932656]

約数ペア:

[(1, 81932656), (2, 40966328), (4, 20483164), (8, 10241582), (13, 6302512), (16, 5120791), (17, 4819568), (26, 3151256), (29, 2825264), (34, 2409784), (47, 1743248), (52, 1575628), (58, 1412632), (68, 1204892), (94, 871624), (104, 787814), (116, 706316), (136, 602446), (188, 435812), (208, 393907), (221, 370736), (232, 353158), (272, 301223), (289, 283504), (376, 217906), (377, 217328), (442, 185368), (464, 176579), (493, 166192), (578, 141752), (611, 134096), (752, 108953), (754, 108664), (799, 102544), (884, 92684), (986, 83096), (1156, 70876), (1222, 67048), (1363, 60112), (1508, 54332), (1598, 51272), (1768, 46342), (1972, 41548), (2312, 35438), (2444, 33524), (2726, 30056), (3016, 27166), (3196, 25636), (3536, 23171), (3757, 21808), (3944, 20774), (4624, 17719), (4888, 16762), (5452, 15028), (6032, 13583), (6392, 12818), (6409, 12784), (7514, 10904), (7888, 10387), (8381, 9776)]