255871404

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4507}}^1$

素因数の和:4619

約数の個数: 72

約数和(自身を含む): 689183040

約数和(自身を除く): 433311636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 498, 684, 747, 996, 1494, 1577, 2988, 3154, 4507, 4731, 6308, 9014, 9462, 13521, 14193, 18028, 18924, 27042, 28386, 40563, 54084, 56772, 81126, 85633, 162252, 171266, 256899, 342532, 374081, 513798, 748162, 770697, 1027596, 1122243, 1496324, 1541394, 2244486, 3082788, 3366729, 4488972, 6733458, 7107539, 13466916, 14215078, 21322617, 28430156, 42645234, 63967851, 85290468, 127935702, 255871404]

約数ペア:

[(1, 255871404), (2, 127935702), (3, 85290468), (4, 63967851), (6, 42645234), (9, 28430156), (12, 21322617), (18, 14215078), (19, 13466916), (36, 7107539), (38, 6733458), (57, 4488972), (76, 3366729), (83, 3082788), (114, 2244486), (166, 1541394), (171, 1496324), (228, 1122243), (249, 1027596), (332, 770697), (342, 748162), (498, 513798), (684, 374081), (747, 342532), (996, 256899), (1494, 171266), (1577, 162252), (2988, 85633), (3154, 81126), (4507, 56772), (4731, 54084), (6308, 40563), (9014, 28386), (9462, 27042), (13521, 18924), (14193, 18028)]