81485216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3187}}^1$

素因数の和:3261

約数の個数: 48

約数和(自身を含む): 173529216

約数和(自身を除く): 92044000

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 68, 94, 136, 188, 272, 376, 544, 752, 799, 1504, 1598, 3187, 3196, 6374, 6392, 12748, 12784, 25496, 25568, 50992, 54179, 101984, 108358, 149789, 216716, 299578, 433432, 599156, 866864, 1198312, 1733728, 2396624, 2546413, 4793248, 5092826, 10185652, 20371304, 40742608, 81485216]

約数ペア:

[(1, 81485216), (2, 40742608), (4, 20371304), (8, 10185652), (16, 5092826), (17, 4793248), (32, 2546413), (34, 2396624), (47, 1733728), (68, 1198312), (94, 866864), (136, 599156), (188, 433432), (272, 299578), (376, 216716), (544, 149789), (752, 108358), (799, 101984), (1504, 54179), (1598, 50992), (3187, 25568), (3196, 25496), (6374, 12784), (6392, 12748)]