28390256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2061

約数の個数: 40

約数和(自身を含む): 59162880

約数和(自身を除く): 30772624

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 1987, 3572, 3974, 7144, 7948, 14288, 15896, 31792, 37753, 75506, 93389, 151012, 186778, 302024, 373556, 604048, 747112, 1494224, 1774391, 3548782, 7097564, 14195128, 28390256]

約数ペア:

[(1, 28390256), (2, 14195128), (4, 7097564), (8, 3548782), (16, 1774391), (19, 1494224), (38, 747112), (47, 604048), (76, 373556), (94, 302024), (152, 186778), (188, 151012), (304, 93389), (376, 75506), (752, 37753), (893, 31792), (1786, 15896), (1987, 14288), (3572, 7948), (3974, 7144)]