81796372

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 172005120

約数和(自身を除く): 90208748

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 314, 322, 628, 644, 809, 1099, 1618, 2198, 3236, 3611, 4396, 5663, 7222, 11326, 14444, 18607, 22652, 25277, 37214, 50554, 74428, 101108, 127013, 130249, 254026, 260498, 508052, 520996, 889091, 1778182, 2921299, 3556364, 5842598, 11685196, 20449093, 40898186, 81796372]

約数ペア:

[(1, 81796372), (2, 40898186), (4, 20449093), (7, 11685196), (14, 5842598), (23, 3556364), (28, 2921299), (46, 1778182), (92, 889091), (157, 520996), (161, 508052), (314, 260498), (322, 254026), (628, 130249), (644, 127013), (809, 101108), (1099, 74428), (1618, 50554), (2198, 37214), (3236, 25277), (3611, 22652), (4396, 18607), (5663, 14444), (7222, 11326)]