855804534

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1973}}^1$

素因数の和:2141

約数の個数: 64

約数和(自身を含む): 1894281984

約数和(自身を除く): 1038477450

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 83, 134, 166, 201, 249, 402, 498, 871, 1079, 1742, 1973, 2158, 2613, 3237, 3946, 5226, 5561, 5919, 6474, 11122, 11838, 16683, 25649, 33366, 51298, 72293, 76947, 132191, 144586, 153894, 163759, 216879, 264382, 327518, 396573, 433758, 491277, 793146, 982554, 1718483, 2128867, 3436966, 4257734, 5155449, 6386601, 10310898, 10971853, 12773202, 21943706, 32915559, 65831118, 142634089, 285268178, 427902267, 855804534]

約数ペア:

[(1, 855804534), (2, 427902267), (3, 285268178), (6, 142634089), (13, 65831118), (26, 32915559), (39, 21943706), (67, 12773202), (78, 10971853), (83, 10310898), (134, 6386601), (166, 5155449), (201, 4257734), (249, 3436966), (402, 2128867), (498, 1718483), (871, 982554), (1079, 793146), (1742, 491277), (1973, 433758), (2158, 396573), (2613, 327518), (3237, 264382), (3946, 216879), (5226, 163759), (5561, 153894), (5919, 144586), (6474, 132191), (11122, 76947), (11838, 72293), (16683, 51298), (25649, 33366)]