157225348

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{1999}}^1$

素因数の和:2116

約数の個数: 36

約数和(自身を含む): 320656000

約数和(自身を除く): 163430652

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 1999, 2809, 3998, 5618, 7996, 11236, 13993, 19663, 27986, 39326, 55972, 78652, 105947, 211894, 423788, 741629, 1483258, 2966516, 5615191, 11230382, 22460764, 39306337, 78612674, 157225348]

約数ペア:

[(1, 157225348), (2, 78612674), (4, 39306337), (7, 22460764), (14, 11230382), (28, 5615191), (53, 2966516), (106, 1483258), (212, 741629), (371, 423788), (742, 211894), (1484, 105947), (1999, 78652), (2809, 55972), (3998, 39326), (5618, 27986), (7996, 19663), (11236, 13993)]