78620518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 128044800

約数和(自身を除く): 49424282

約数列:

[1, 2, 19, 38, 53, 103, 106, 206, 379, 758, 1007, 1957, 2014, 3914, 5459, 7201, 10918, 14402, 20087, 39037, 40174, 78074, 103721, 207442, 381653, 741703, 763306, 1483406, 2068961, 4137922, 39310259, 78620518]

約数ペア:

[(1, 78620518), (2, 39310259), (19, 4137922), (38, 2068961), (53, 1483406), (103, 763306), (106, 741703), (206, 381653), (379, 207442), (758, 103721), (1007, 78074), (1957, 40174), (2014, 39037), (3914, 20087), (5459, 14402), (7201, 10918)]