77608531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 111992832

約数和(自身を除く): 34384301

約数列:

[1, 7, 11, 13, 31, 41, 61, 77, 91, 143, 217, 287, 341, 403, 427, 451, 533, 671, 793, 1001, 1271, 1891, 2387, 2501, 2821, 3157, 3731, 4433, 4697, 5551, 5863, 8723, 8897, 13237, 13981, 16523, 17507, 20801, 24583, 27511, 31031, 32513, 41041, 61061, 77531, 97867, 115661, 145607, 172081, 181753, 192577, 227591, 270413, 357643, 542717, 852841, 1007903, 1272271, 1892891, 2503501, 5969887, 7055321, 11086933, 77608531]

約数ペア:

[(1, 77608531), (7, 11086933), (11, 7055321), (13, 5969887), (31, 2503501), (41, 1892891), (61, 1272271), (77, 1007903), (91, 852841), (143, 542717), (217, 357643), (287, 270413), (341, 227591), (403, 192577), (427, 181753), (451, 172081), (533, 145607), (671, 115661), (793, 97867), (1001, 77531), (1271, 61061), (1891, 41041), (2387, 32513), (2501, 31031), (2821, 27511), (3157, 24583), (3731, 20801), (4433, 17507), (4697, 16523), (5551, 13981), (5863, 13237), (8723, 8897)]