81204344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 172368000

約数和(自身を除く): 91163656

約数列:

[1, 2, 4, 8, 13, 26, 37, 47, 52, 74, 94, 104, 148, 188, 296, 376, 449, 481, 611, 898, 962, 1222, 1739, 1796, 1924, 2444, 3478, 3592, 3848, 4888, 5837, 6956, 11674, 13912, 16613, 21103, 22607, 23348, 33226, 42206, 45214, 46696, 66452, 84412, 90428, 132904, 168824, 180856, 215969, 274339, 431938, 548678, 780811, 863876, 1097356, 1561622, 1727752, 2194712, 3123244, 6246488, 10150543, 20301086, 40602172, 81204344]

約数ペア:

[(1, 81204344), (2, 40602172), (4, 20301086), (8, 10150543), (13, 6246488), (26, 3123244), (37, 2194712), (47, 1727752), (52, 1561622), (74, 1097356), (94, 863876), (104, 780811), (148, 548678), (188, 431938), (296, 274339), (376, 215969), (449, 180856), (481, 168824), (611, 132904), (898, 90428), (962, 84412), (1222, 66452), (1739, 46696), (1796, 45214), (1924, 42206), (2444, 33226), (3478, 23348), (3592, 22607), (3848, 21103), (4888, 16613), (5837, 13912), (6956, 11674)]