28981652

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 60490752

約数和(自身を除く): 31509100

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 173, 193, 217, 346, 386, 434, 692, 772, 868, 1211, 1351, 2422, 2702, 4844, 5363, 5404, 5983, 10726, 11966, 21452, 23932, 33389, 37541, 41881, 66778, 75082, 83762, 133556, 150164, 167524, 233723, 467446, 934892, 1035059, 2070118, 4140236, 7245413, 14490826, 28981652]

約数ペア:

[(1, 28981652), (2, 14490826), (4, 7245413), (7, 4140236), (14, 2070118), (28, 1035059), (31, 934892), (62, 467446), (124, 233723), (173, 167524), (193, 150164), (217, 133556), (346, 83762), (386, 75082), (434, 66778), (692, 41881), (772, 37541), (868, 33389), (1211, 23932), (1351, 21452), (2422, 11966), (2702, 10726), (4844, 5983), (5363, 5404)]