17937897712

素因数分解:

$2^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{399401}}^1$

素因数の和:399817

約数の個数: 40

約数和(自身を含む): 39818781792

約数和(自身を除く): 21880884080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 401, 802, 1604, 2807, 3208, 5614, 6416, 11228, 22456, 44912, 399401, 798802, 1597604, 2795807, 3195208, 5591614, 6390416, 11183228, 22366456, 44732912, 160159801, 320319602, 640639204, 1121118607, 1281278408, 2242237214, 2562556816, 4484474428, 8968948856, 17937897712]

約数ペア:

[(1, 17937897712), (2, 8968948856), (4, 4484474428), (7, 2562556816), (8, 2242237214), (14, 1281278408), (16, 1121118607), (28, 640639204), (56, 320319602), (112, 160159801), (401, 44732912), (802, 22366456), (1604, 11183228), (2807, 6390416), (3208, 5591614), (5614, 3195208), (6416, 2795807), (11228, 1597604), (22456, 798802), (44912, 399401)]