81961024

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:531

約数の個数: 56

約数和(自身を含む): 169875200

約数和(自身を除く): 87914176

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 109, 124, 218, 248, 379, 436, 496, 758, 872, 992, 1516, 1744, 1984, 3032, 3379, 3488, 6064, 6758, 6976, 11749, 12128, 13516, 23498, 24256, 27032, 41311, 46996, 54064, 82622, 93992, 108128, 165244, 187984, 216256, 330488, 375968, 660976, 751936, 1280641, 1321952, 2561282, 2643904, 5122564, 10245128, 20490256, 40980512, 81961024]

約数ペア:

[(1, 81961024), (2, 40980512), (4, 20490256), (8, 10245128), (16, 5122564), (31, 2643904), (32, 2561282), (62, 1321952), (64, 1280641), (109, 751936), (124, 660976), (218, 375968), (248, 330488), (379, 216256), (436, 187984), (496, 165244), (758, 108128), (872, 93992), (992, 82622), (1516, 54064), (1744, 46996), (1984, 41311), (3032, 27032), (3379, 24256), (3488, 23498), (6064, 13516), (6758, 12128), (6976, 11749)]