161033778

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 399974400

約数和(自身を除く): 238940622

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 61, 62, 83, 93, 114, 122, 166, 171, 183, 186, 249, 279, 342, 366, 498, 513, 549, 558, 589, 747, 837, 1026, 1098, 1159, 1178, 1494, 1577, 1647, 1674, 1767, 1891, 2241, 2318, 2573, 3154, 3294, 3477, 3534, 3782, 4482, 4731, 5063, 5146, 5301, 5673, 6954, 7719, 9462, 10126, 10431, 10602, 11346, 14193, 15189, 15438, 15903, 17019, 20862, 23157, 28386, 30378, 31293, 31806, 34038, 35929, 42579, 45567, 46314, 48887, 51057, 62586, 69471, 71858, 85158, 91134, 96197, 97774, 102114, 107787, 136701, 138942, 146661, 156953, 192394, 215574, 273402, 288591, 293322, 313906, 323361, 439983, 470859, 577182, 646722, 865773, 879966, 941718, 970083, 1319949, 1412577, 1731546, 1940166, 2597319, 2639898, 2825154, 2982107, 4237731, 5194638, 5964214, 8475462, 8946321, 17892642, 26838963, 53677926, 80516889, 161033778]

約数ペア:

[(1, 161033778), (2, 80516889), (3, 53677926), (6, 26838963), (9, 17892642), (18, 8946321), (19, 8475462), (27, 5964214), (31, 5194638), (38, 4237731), (54, 2982107), (57, 2825154), (61, 2639898), (62, 2597319), (83, 1940166), (93, 1731546), (114, 1412577), (122, 1319949), (166, 970083), (171, 941718), (183, 879966), (186, 865773), (249, 646722), (279, 577182), (342, 470859), (366, 439983), (498, 323361), (513, 313906), (549, 293322), (558, 288591), (589, 273402), (747, 215574), (837, 192394), (1026, 156953), (1098, 146661), (1159, 138942), (1178, 136701), (1494, 107787), (1577, 102114), (1647, 97774), (1674, 96197), (1767, 91134), (1891, 85158), (2241, 71858), (2318, 69471), (2573, 62586), (3154, 51057), (3294, 48887), (3477, 46314), (3534, 45567), (3782, 42579), (4482, 35929), (4731, 34038), (5063, 31806), (5146, 31293), (5301, 30378), (5673, 28386), (6954, 23157), (7719, 20862), (9462, 17019), (10126, 15903), (10431, 15438), (10602, 15189), (11346, 14193)]