81461844

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 210974400

約数和(自身を除く): 129512556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 137, 166, 199, 249, 274, 332, 398, 411, 498, 548, 597, 747, 796, 822, 996, 1194, 1233, 1494, 1644, 1791, 2388, 2466, 2988, 3582, 4932, 7164, 11371, 16517, 22742, 27263, 33034, 34113, 45484, 49551, 54526, 66068, 68226, 81789, 99102, 102339, 109052, 136452, 148653, 163578, 198204, 204678, 245367, 297306, 327156, 409356, 490734, 594612, 981468, 2262829, 4525658, 6788487, 9051316, 13576974, 20365461, 27153948, 40730922, 81461844]

約数ペア:

[(1, 81461844), (2, 40730922), (3, 27153948), (4, 20365461), (6, 13576974), (9, 9051316), (12, 6788487), (18, 4525658), (36, 2262829), (83, 981468), (137, 594612), (166, 490734), (199, 409356), (249, 327156), (274, 297306), (332, 245367), (398, 204678), (411, 198204), (498, 163578), (548, 148653), (597, 136452), (747, 109052), (796, 102339), (822, 99102), (996, 81789), (1194, 68226), (1233, 66068), (1494, 54526), (1644, 49551), (1791, 45484), (2388, 34113), (2466, 33034), (2988, 27263), (3582, 22742), (4932, 16517), (7164, 11371)]