178298892

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 463357440

約数和(自身を除く): 285058548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 79, 142, 158, 213, 237, 284, 316, 426, 474, 639, 711, 852, 883, 948, 1278, 1422, 1766, 2556, 2649, 2844, 3532, 5298, 5609, 7947, 10596, 11218, 15894, 16827, 22436, 31788, 33654, 50481, 62693, 67308, 69757, 100962, 125386, 139514, 188079, 201924, 209271, 250772, 279028, 376158, 418542, 564237, 627813, 752316, 837084, 1128474, 1255626, 2256948, 2511252, 4952747, 9905494, 14858241, 19810988, 29716482, 44574723, 59432964, 89149446, 178298892]

約数ペア:

[(1, 178298892), (2, 89149446), (3, 59432964), (4, 44574723), (6, 29716482), (9, 19810988), (12, 14858241), (18, 9905494), (36, 4952747), (71, 2511252), (79, 2256948), (142, 1255626), (158, 1128474), (213, 837084), (237, 752316), (284, 627813), (316, 564237), (426, 418542), (474, 376158), (639, 279028), (711, 250772), (852, 209271), (883, 201924), (948, 188079), (1278, 139514), (1422, 125386), (1766, 100962), (2556, 69757), (2649, 67308), (2844, 62693), (3532, 50481), (5298, 33654), (5609, 31788), (7947, 22436), (10596, 16827), (11218, 15894)]