81302956

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{13381}}^1$

素因数の和:13430

約数の個数: 36

約数和(自身を含む): 170861376

約数和(自身を除く): 89558420

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 13381, 26762, 53524, 93667, 187334, 374668, 414811, 655669, 829622, 1311338, 1659244, 2622676, 2903677, 5807354, 11614708, 20325739, 40651478, 81302956]

約数ペア:

[(1, 81302956), (2, 40651478), (4, 20325739), (7, 11614708), (14, 5807354), (28, 2903677), (31, 2622676), (49, 1659244), (62, 1311338), (98, 829622), (124, 655669), (196, 414811), (217, 374668), (434, 187334), (868, 93667), (1519, 53524), (3038, 26762), (6076, 13381)]