221872768

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{133337}}^1$

素因数の和:133364

約数の個数: 32

約数和(自身を含む): 476016660

約数和(自身を除く): 254143892

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 133337, 266674, 533348, 1066696, 1733381, 2133392, 3466762, 4266784, 6933524, 8533568, 13867048, 17067136, 27734096, 55468192, 110936384, 221872768]

約数ペア:

[(1, 221872768), (2, 110936384), (4, 55468192), (8, 27734096), (13, 17067136), (16, 13867048), (26, 8533568), (32, 6933524), (52, 4266784), (64, 3466762), (104, 2133392), (128, 1733381), (208, 1066696), (416, 533348), (832, 266674), (1664, 133337)]