397748390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{43093}}^1$

素因数の和:43184

約数の個数: 32

約数和(自身を含む): 781897536

約数和(自身を除く): 384149146

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 43093, 86186, 215465, 430930, 560209, 1120418, 2801045, 3059603, 5602090, 6119206, 15298015, 30596030, 39774839, 79549678, 198874195, 397748390]

約数ペア:

[(1, 397748390), (2, 198874195), (5, 79549678), (10, 39774839), (13, 30596030), (26, 15298015), (65, 6119206), (71, 5602090), (130, 3059603), (142, 2801045), (355, 1120418), (710, 560209), (923, 430930), (1846, 215465), (4615, 86186), (9230, 43093)]