8318128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 12305552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 197, 203, 208, 232, 364, 377, 394, 406, 464, 728, 754, 788, 812, 1379, 1456, 1508, 1576, 1624, 2561, 2639, 2758, 3016, 3152, 3248, 5122, 5278, 5516, 5713, 6032, 10244, 10556, 11032, 11426, 17927, 20488, 21112, 22064, 22852, 35854, 39991, 40976, 42224, 45704, 71708, 74269, 79982, 91408, 143416, 148538, 159964, 286832, 297076, 319928, 519883, 594152, 639856, 1039766, 1188304, 2079532, 4159064, 8318128]

約数ペア:

[(1, 8318128), (2, 4159064), (4, 2079532), (7, 1188304), (8, 1039766), (13, 639856), (14, 594152), (16, 519883), (26, 319928), (28, 297076), (29, 286832), (52, 159964), (56, 148538), (58, 143416), (91, 91408), (104, 79982), (112, 74269), (116, 71708), (182, 45704), (197, 42224), (203, 40976), (208, 39991), (232, 35854), (364, 22852), (377, 22064), (394, 21112), (406, 20488), (464, 17927), (728, 11426), (754, 11032), (788, 10556), (812, 10244), (1379, 6032), (1456, 5713), (1508, 5516), (1576, 5278), (1624, 5122), (2561, 3248), (2639, 3152), (2758, 3016)]