25444328

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5026

約数の個数: 48

約数和(自身を含む): 59778180

約数和(自身を除く): 34333852

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4993, 5096, 9986, 19972, 34951, 39944, 64909, 69902, 129818, 139804, 244657, 259636, 279608, 454363, 489314, 519272, 908726, 978628, 1817452, 1957256, 3180541, 3634904, 6361082, 12722164, 25444328]

約数ペア:

[(1, 25444328), (2, 12722164), (4, 6361082), (7, 3634904), (8, 3180541), (13, 1957256), (14, 1817452), (26, 978628), (28, 908726), (49, 519272), (52, 489314), (56, 454363), (91, 279608), (98, 259636), (104, 244657), (182, 139804), (196, 129818), (364, 69902), (392, 64909), (637, 39944), (728, 34951), (1274, 19972), (2548, 9986), (4993, 5096)]