81548892

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 216871200

約数和(自身を除く): 135322308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 149, 207, 276, 298, 414, 447, 596, 661, 828, 894, 1322, 1341, 1788, 1983, 2644, 2682, 3427, 3966, 5364, 5949, 6854, 7932, 10281, 11898, 13708, 15203, 20562, 23796, 30406, 30843, 41124, 45609, 60812, 61686, 91218, 98489, 123372, 136827, 182436, 196978, 273654, 295467, 393956, 547308, 590934, 886401, 1181868, 1772802, 2265247, 3545604, 4530494, 6795741, 9060988, 13591482, 20387223, 27182964, 40774446, 81548892]

約数ペア:

[(1, 81548892), (2, 40774446), (3, 27182964), (4, 20387223), (6, 13591482), (9, 9060988), (12, 6795741), (18, 4530494), (23, 3545604), (36, 2265247), (46, 1772802), (69, 1181868), (92, 886401), (138, 590934), (149, 547308), (207, 393956), (276, 295467), (298, 273654), (414, 196978), (447, 182436), (596, 136827), (661, 123372), (828, 98489), (894, 91218), (1322, 61686), (1341, 60812), (1788, 45609), (1983, 41124), (2644, 30843), (2682, 30406), (3427, 23796), (3966, 20562), (5364, 15203), (5949, 13708), (6854, 11898), (7932, 10281)]