205435538

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 393984000

約数和(自身を除く): 188548462

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 149, 154, 298, 539, 1043, 1078, 1279, 1639, 2086, 2558, 3278, 7301, 8953, 11473, 14069, 14602, 17906, 22946, 28138, 62671, 80311, 98483, 125342, 160622, 190571, 196966, 381142, 689381, 1333997, 1378762, 2096281, 2667994, 4192562, 9337979, 14673967, 18675958, 29347934, 102717769, 205435538]

約数ペア:

[(1, 205435538), (2, 102717769), (7, 29347934), (11, 18675958), (14, 14673967), (22, 9337979), (49, 4192562), (77, 2667994), (98, 2096281), (149, 1378762), (154, 1333997), (298, 689381), (539, 381142), (1043, 196966), (1078, 190571), (1279, 160622), (1639, 125342), (2086, 98483), (2558, 80311), (3278, 62671), (7301, 28138), (8953, 22946), (11473, 17906), (14069, 14602)]