161553136

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{99971}}^1$

素因数の和:100080

約数の個数: 20

約数和(自身を含む): 316111464

約数和(自身を除く): 154558328

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 99971, 199942, 399884, 799768, 1599536, 10097071, 20194142, 40388284, 80776568, 161553136]

約数ペア:

[(1, 161553136), (2, 80776568), (4, 40388284), (8, 20194142), (16, 10097071), (101, 1599536), (202, 799768), (404, 399884), (808, 199942), (1616, 99971)]