638001882

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{71317}}^1$

素因数の和:71403

約数の個数: 48

約数和(自身を含む): 1602087552

約数和(自身を除く): 964085670

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 4473, 8946, 71317, 142634, 213951, 427902, 499219, 641853, 998438, 1283706, 1497657, 2995314, 4492971, 5063507, 8985942, 10127014, 15190521, 30381042, 35444549, 45571563, 70889098, 91143126, 106333647, 212667294, 319000941, 638001882]

約数ペア:

[(1, 638001882), (2, 319000941), (3, 212667294), (6, 106333647), (7, 91143126), (9, 70889098), (14, 45571563), (18, 35444549), (21, 30381042), (42, 15190521), (63, 10127014), (71, 8985942), (126, 5063507), (142, 4492971), (213, 2995314), (426, 1497657), (497, 1283706), (639, 998438), (994, 641853), (1278, 499219), (1491, 427902), (2982, 213951), (4473, 142634), (8946, 71317)]