1805804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 4379424

約数和(自身を除く): 2573620

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 41, 44, 52, 77, 82, 91, 121, 143, 154, 164, 182, 242, 286, 287, 308, 364, 451, 484, 533, 572, 574, 847, 902, 1001, 1066, 1148, 1573, 1694, 1804, 2002, 2132, 3146, 3157, 3388, 3731, 4004, 4961, 5863, 6292, 6314, 7462, 9922, 11011, 11726, 12628, 14924, 19844, 22022, 23452, 34727, 41041, 44044, 64493, 69454, 82082, 128986, 138908, 164164, 257972, 451451, 902902, 1805804]

約数ペア:

[(1, 1805804), (2, 902902), (4, 451451), (7, 257972), (11, 164164), (13, 138908), (14, 128986), (22, 82082), (26, 69454), (28, 64493), (41, 44044), (44, 41041), (52, 34727), (77, 23452), (82, 22022), (91, 19844), (121, 14924), (143, 12628), (154, 11726), (164, 11011), (182, 9922), (242, 7462), (286, 6314), (287, 6292), (308, 5863), (364, 4961), (451, 4004), (484, 3731), (533, 3388), (572, 3157), (574, 3146), (847, 2132), (902, 2002), (1001, 1804), (1066, 1694), (1148, 1573)]