215520136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{2999}}^1$

素因数の和:3709

約数の個数: 32

約数和(自身を含む): 435960000

約数和(自身を除く): 220439864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 691, 1382, 2764, 2999, 5528, 5998, 8983, 11996, 17966, 23992, 35932, 38987, 71864, 77974, 155948, 311896, 2072309, 4144618, 8289236, 16578472, 26940017, 53880034, 107760068, 215520136]

約数ペア:

[(1, 215520136), (2, 107760068), (4, 53880034), (8, 26940017), (13, 16578472), (26, 8289236), (52, 4144618), (104, 2072309), (691, 311896), (1382, 155948), (2764, 77974), (2999, 71864), (5528, 38987), (5998, 35932), (8983, 23992), (11996, 17966)]