388042655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 671956992

約数和(自身を除く): 283914337

約数列:

[1, 5, 7, 11, 13, 31, 35, 41, 55, 61, 65, 77, 91, 143, 155, 205, 217, 287, 305, 341, 385, 403, 427, 451, 455, 533, 671, 715, 793, 1001, 1085, 1271, 1435, 1705, 1891, 2015, 2135, 2255, 2387, 2501, 2665, 2821, 3157, 3355, 3731, 3965, 4433, 4697, 5005, 5551, 5863, 6355, 8723, 8897, 9455, 11935, 12505, 13237, 13981, 14105, 15785, 16523, 17507, 18655, 20801, 22165, 23485, 24583, 27511, 27755, 29315, 31031, 32513, 41041, 43615, 44485, 61061, 66185, 69905, 77531, 82615, 87535, 97867, 104005, 115661, 122915, 137555, 145607, 155155, 162565, 172081, 181753, 192577, 205205, 227591, 270413, 305305, 357643, 387655, 489335, 542717, 578305, 728035, 852841, 860405, 908765, 962885, 1007903, 1137955, 1272271, 1352065, 1788215, 1892891, 2503501, 2713585, 4264205, 5039515, 5969887, 6361355, 7055321, 9464455, 11086933, 12517505, 29849435, 35276605, 55434665, 77608531, 388042655]

約数ペア:

[(1, 388042655), (5, 77608531), (7, 55434665), (11, 35276605), (13, 29849435), (31, 12517505), (35, 11086933), (41, 9464455), (55, 7055321), (61, 6361355), (65, 5969887), (77, 5039515), (91, 4264205), (143, 2713585), (155, 2503501), (205, 1892891), (217, 1788215), (287, 1352065), (305, 1272271), (341, 1137955), (385, 1007903), (403, 962885), (427, 908765), (451, 860405), (455, 852841), (533, 728035), (671, 578305), (715, 542717), (793, 489335), (1001, 387655), (1085, 357643), (1271, 305305), (1435, 270413), (1705, 227591), (1891, 205205), (2015, 192577), (2135, 181753), (2255, 172081), (2387, 162565), (2501, 155155), (2665, 145607), (2821, 137555), (3157, 122915), (3355, 115661), (3731, 104005), (3965, 97867), (4433, 87535), (4697, 82615), (5005, 77531), (5551, 69905), (5863, 66185), (6355, 61061), (8723, 44485), (8897, 43615), (9455, 41041), (11935, 32513), (12505, 31031), (13237, 29315), (13981, 27755), (14105, 27511), (15785, 24583), (16523, 23485), (17507, 22165), (18655, 20801)]