389625860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1498561}}^1$

素因数の和:1498583

約数の個数: 24

約数和(自身を含む): 881154456

約数和(自身を除く): 491528596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1498561, 2997122, 5994244, 7492805, 14985610, 19481293, 29971220, 38962586, 77925172, 97406465, 194812930, 389625860]

約数ペア:

[(1, 389625860), (2, 194812930), (4, 97406465), (5, 77925172), (10, 38962586), (13, 29971220), (20, 19481293), (26, 14985610), (52, 7492805), (65, 5994244), (130, 2997122), (260, 1498561)]