261736264

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{331}}^1\times {\mathrm{1019}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 497800800

約数和(自身を除く): 236064536

約数列:

[1, 2, 4, 8, 97, 194, 331, 388, 662, 776, 1019, 1324, 2038, 2648, 4076, 8152, 32107, 64214, 98843, 128428, 197686, 256856, 337289, 395372, 674578, 790744, 1349156, 2698312, 32717033, 65434066, 130868132, 261736264]

約数ペア:

[(1, 261736264), (2, 130868132), (4, 65434066), (8, 32717033), (97, 2698312), (194, 1349156), (331, 790744), (388, 674578), (662, 395372), (776, 337289), (1019, 256856), (1324, 197686), (2038, 128428), (2648, 98843), (4076, 64214), (8152, 32107)]