81135016

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 170200800

約数和(自身を除く): 89065784

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 289, 323, 578, 646, 1156, 1292, 1847, 2312, 2584, 3694, 5491, 7388, 10982, 14776, 21964, 31399, 35093, 43928, 62798, 70186, 125596, 140372, 251192, 280744, 533783, 596581, 1067566, 1193162, 2135132, 2386324, 4270264, 4772648, 10141877, 20283754, 40567508, 81135016]

約数ペア:

[(1, 81135016), (2, 40567508), (4, 20283754), (8, 10141877), (17, 4772648), (19, 4270264), (34, 2386324), (38, 2135132), (68, 1193162), (76, 1067566), (136, 596581), (152, 533783), (289, 280744), (323, 251192), (578, 140372), (646, 125596), (1156, 70186), (1292, 62798), (1847, 43928), (2312, 35093), (2584, 31399), (3694, 21964), (5491, 14776), (7388, 10982)]