28317016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 66185280

約数和(自身を除く): 37868264

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 364, 388, 401, 679, 728, 776, 802, 1261, 1358, 1604, 2522, 2716, 2807, 3208, 5044, 5213, 5432, 5614, 8827, 10088, 10426, 11228, 17654, 20852, 22456, 35308, 36491, 38897, 41704, 70616, 72982, 77794, 145964, 155588, 272279, 291928, 311176, 505661, 544558, 1011322, 1089116, 2022644, 2178232, 3539627, 4045288, 7079254, 14158508, 28317016]

約数ペア:

[(1, 28317016), (2, 14158508), (4, 7079254), (7, 4045288), (8, 3539627), (13, 2178232), (14, 2022644), (26, 1089116), (28, 1011322), (52, 544558), (56, 505661), (91, 311176), (97, 291928), (104, 272279), (182, 155588), (194, 145964), (364, 77794), (388, 72982), (401, 70616), (679, 41704), (728, 38897), (776, 36491), (802, 35308), (1261, 22456), (1358, 20852), (1604, 17654), (2522, 11228), (2716, 10426), (2807, 10088), (3208, 8827), (5044, 5614), (5213, 5432)]