78933296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19973}}^1$

素因数の和:20013

約数の個数: 40

約数和(自身を含む): 173374320

約数和(自身を除く): 94441024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 19973, 39946, 79892, 159784, 259649, 319568, 379487, 519298, 758974, 1038596, 1517948, 2077192, 3035896, 4154384, 4933331, 6071792, 9866662, 19733324, 39466648, 78933296]

約数ペア:

[(1, 78933296), (2, 39466648), (4, 19733324), (8, 9866662), (13, 6071792), (16, 4933331), (19, 4154384), (26, 3035896), (38, 2077192), (52, 1517948), (76, 1038596), (104, 758974), (152, 519298), (208, 379487), (247, 319568), (304, 259649), (494, 159784), (988, 79892), (1976, 39946), (3952, 19973)]