398388562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{2837}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 703733184

約数和(自身を除く): 305344622

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 491, 982, 2837, 5401, 5674, 6383, 10802, 12766, 31207, 36881, 62414, 70213, 73762, 140426, 405691, 811382, 1392967, 2785934, 15322637, 18108571, 30645274, 36217142, 199194281, 398388562]

約数ペア:

[(1, 398388562), (2, 199194281), (11, 36217142), (13, 30645274), (22, 18108571), (26, 15322637), (143, 2785934), (286, 1392967), (491, 811382), (982, 405691), (2837, 140426), (5401, 73762), (5674, 70213), (6383, 62414), (10802, 36881), (12766, 31207)]