81540896

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 167723640

約数和(自身を除く): 86182744

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 74, 122, 148, 244, 296, 488, 592, 976, 1129, 1184, 1952, 2257, 2258, 4514, 4516, 9028, 9032, 18056, 18064, 36112, 36128, 41773, 68869, 72224, 83546, 137738, 167092, 275476, 334184, 550952, 668368, 1101904, 1336736, 2203808, 2548153, 5096306, 10192612, 20385224, 40770448, 81540896]

約数ペア:

[(1, 81540896), (2, 40770448), (4, 20385224), (8, 10192612), (16, 5096306), (32, 2548153), (37, 2203808), (61, 1336736), (74, 1101904), (122, 668368), (148, 550952), (244, 334184), (296, 275476), (488, 167092), (592, 137738), (976, 83546), (1129, 72224), (1184, 68869), (1952, 41773), (2257, 36128), (2258, 36112), (4514, 18064), (4516, 18056), (9028, 9032)]