201991524

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7309}}^1$

素因数の和:7377

約数の個数: 72

約数和(自身を含む): 560004480

約数和(自身を除く): 358012956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 658, 987, 1316, 1974, 2303, 3948, 4606, 6909, 7309, 9212, 13818, 14618, 21927, 27636, 29236, 43854, 51163, 87708, 102326, 153489, 204652, 306978, 343523, 358141, 613956, 687046, 716282, 1030569, 1074423, 1374092, 1432564, 2061138, 2148846, 2404661, 4122276, 4297692, 4809322, 7213983, 9618644, 14427966, 16832627, 28855932, 33665254, 50497881, 67330508, 100995762, 201991524]

約数ペア:

[(1, 201991524), (2, 100995762), (3, 67330508), (4, 50497881), (6, 33665254), (7, 28855932), (12, 16832627), (14, 14427966), (21, 9618644), (28, 7213983), (42, 4809322), (47, 4297692), (49, 4122276), (84, 2404661), (94, 2148846), (98, 2061138), (141, 1432564), (147, 1374092), (188, 1074423), (196, 1030569), (282, 716282), (294, 687046), (329, 613956), (564, 358141), (588, 343523), (658, 306978), (987, 204652), (1316, 153489), (1974, 102326), (2303, 87708), (3948, 51163), (4606, 43854), (6909, 29236), (7309, 27636), (9212, 21927), (13818, 14618)]