81569432

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2536

約数の個数: 64

約数和(自身を含む): 190003200

約数和(自身を除く): 108433768

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 2473, 4123, 4712, 4946, 8246, 9892, 16492, 17311, 19784, 32984, 34622, 46987, 69244, 76663, 93974, 138488, 153326, 187948, 306652, 328909, 375896, 536641, 613304, 657818, 1073282, 1315636, 1456597, 2146564, 2631272, 2913194, 4293128, 5826388, 10196179, 11652776, 20392358, 40784716, 81569432]

約数ペア:

[(1, 81569432), (2, 40784716), (4, 20392358), (7, 11652776), (8, 10196179), (14, 5826388), (19, 4293128), (28, 2913194), (31, 2631272), (38, 2146564), (56, 1456597), (62, 1315636), (76, 1073282), (124, 657818), (133, 613304), (152, 536641), (217, 375896), (248, 328909), (266, 306652), (434, 187948), (532, 153326), (589, 138488), (868, 93974), (1064, 76663), (1178, 69244), (1736, 46987), (2356, 34622), (2473, 32984), (4123, 19784), (4712, 17311), (4946, 16492), (8246, 9892)]