81498976

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 173577600

約数和(自身を除く): 92078624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 409, 416, 479, 818, 958, 1636, 1916, 3272, 3832, 5317, 6227, 6544, 7664, 10634, 12454, 13088, 15328, 21268, 24908, 42536, 49816, 85072, 99632, 170144, 195911, 199264, 391822, 783644, 1567288, 2546843, 3134576, 5093686, 6269152, 10187372, 20374744, 40749488, 81498976]

約数ペア:

[(1, 81498976), (2, 40749488), (4, 20374744), (8, 10187372), (13, 6269152), (16, 5093686), (26, 3134576), (32, 2546843), (52, 1567288), (104, 783644), (208, 391822), (409, 199264), (416, 195911), (479, 170144), (818, 99632), (958, 85072), (1636, 49816), (1916, 42536), (3272, 24908), (3832, 21268), (5317, 15328), (6227, 13088), (6544, 12454), (7664, 10634)]