400817144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1373}}^1$

素因数の和:1800

約数の個数: 64

約数和(自身を含む): 927944640

約数和(自身を除く): 527127496

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 401, 728, 802, 1373, 1604, 2746, 2807, 3208, 5213, 5492, 5614, 9611, 10426, 10984, 11228, 17849, 19222, 20852, 22456, 35698, 36491, 38444, 41704, 71396, 72982, 76888, 124943, 142792, 145964, 249886, 291928, 499772, 550573, 999544, 1101146, 2202292, 3854011, 4404584, 7157449, 7708022, 14314898, 15416044, 28629796, 30832088, 50102143, 57259592, 100204286, 200408572, 400817144]

約数ペア:

[(1, 400817144), (2, 200408572), (4, 100204286), (7, 57259592), (8, 50102143), (13, 30832088), (14, 28629796), (26, 15416044), (28, 14314898), (52, 7708022), (56, 7157449), (91, 4404584), (104, 3854011), (182, 2202292), (364, 1101146), (401, 999544), (728, 550573), (802, 499772), (1373, 291928), (1604, 249886), (2746, 145964), (2807, 142792), (3208, 124943), (5213, 76888), (5492, 72982), (5614, 71396), (9611, 41704), (10426, 38444), (10984, 36491), (11228, 35698), (17849, 22456), (19222, 20852)]