78812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 156240

約数和(自身を除く): 77428

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 646, 1037, 1159, 1292, 2074, 2318, 4148, 4636, 19703, 39406, 78812]

約数ペア:

[(1, 78812), (2, 39406), (4, 19703), (17, 4636), (19, 4148), (34, 2318), (38, 2074), (61, 1292), (68, 1159), (76, 1037), (122, 646), (244, 323)]