81953172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{811}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 237636672

約数和(自身を除く): 155683500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 401, 802, 811, 1203, 1604, 1622, 2406, 2433, 2807, 3244, 3609, 4812, 4866, 5614, 5677, 7218, 7299, 8421, 9732, 11228, 11354, 14436, 14598, 16842, 17031, 22708, 25263, 29196, 33684, 34062, 50526, 51093, 68124, 101052, 102186, 204372, 325211, 650422, 975633, 1300844, 1951266, 2276477, 2926899, 3902532, 4552954, 5853798, 6829431, 9105908, 11707596, 13658862, 20488293, 27317724, 40976586, 81953172]

約数ペア:

[(1, 81953172), (2, 40976586), (3, 27317724), (4, 20488293), (6, 13658862), (7, 11707596), (9, 9105908), (12, 6829431), (14, 5853798), (18, 4552954), (21, 3902532), (28, 2926899), (36, 2276477), (42, 1951266), (63, 1300844), (84, 975633), (126, 650422), (252, 325211), (401, 204372), (802, 102186), (811, 101052), (1203, 68124), (1604, 51093), (1622, 50526), (2406, 34062), (2433, 33684), (2807, 29196), (3244, 25263), (3609, 22708), (4812, 17031), (4866, 16842), (5614, 14598), (5677, 14436), (7218, 11354), (7299, 11228), (8421, 9732)]