78840670

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 145053216

約数和(自身を除く): 66212546

約数列:

[1, 2, 5, 10, 61, 122, 305, 307, 421, 610, 614, 842, 1535, 2105, 3070, 4210, 18727, 25681, 37454, 51362, 93635, 128405, 129247, 187270, 256810, 258494, 646235, 1292470, 7884067, 15768134, 39420335, 78840670]

約数ペア:

[(1, 78840670), (2, 39420335), (5, 15768134), (10, 7884067), (61, 1292470), (122, 646235), (305, 258494), (307, 256810), (421, 187270), (610, 129247), (614, 128405), (842, 93635), (1535, 51362), (2105, 37454), (3070, 25681), (4210, 18727)]