213970428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11959}}^1$

素因数の和:12047

約数の個数: 72

約数和(自身を含む): 626895360

約数和(自身を除く): 412924932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 5964, 8946, 11959, 17892, 23918, 35877, 47836, 71754, 83713, 107631, 143508, 167426, 215262, 251139, 334852, 430524, 502278, 753417, 849089, 1004556, 1506834, 1698178, 2547267, 3013668, 3396356, 5094534, 5943623, 7641801, 10189068, 11887246, 15283602, 17830869, 23774492, 30567204, 35661738, 53492607, 71323476, 106985214, 213970428]

約数ペア:

[(1, 213970428), (2, 106985214), (3, 71323476), (4, 53492607), (6, 35661738), (7, 30567204), (9, 23774492), (12, 17830869), (14, 15283602), (18, 11887246), (21, 10189068), (28, 7641801), (36, 5943623), (42, 5094534), (63, 3396356), (71, 3013668), (84, 2547267), (126, 1698178), (142, 1506834), (213, 1004556), (252, 849089), (284, 753417), (426, 502278), (497, 430524), (639, 334852), (852, 251139), (994, 215262), (1278, 167426), (1491, 143508), (1988, 107631), (2556, 83713), (2982, 71754), (4473, 47836), (5964, 35877), (8946, 23918), (11959, 17892)]