28401256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{787}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 57587040

約数和(自身を除く): 29185784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 347, 694, 787, 1388, 1574, 2776, 3148, 4511, 6296, 9022, 10231, 18044, 20462, 36088, 40924, 81848, 273089, 546178, 1092356, 2184712, 3550157, 7100314, 14200628, 28401256]

約数ペア:

[(1, 28401256), (2, 14200628), (4, 7100314), (8, 3550157), (13, 2184712), (26, 1092356), (52, 546178), (104, 273089), (347, 81848), (694, 40924), (787, 36088), (1388, 20462), (1574, 18044), (2776, 10231), (3148, 9022), (4511, 6296)]