81355910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1213}}^1$

素因数の和:1592

約数の個数: 32

約数和(自身を含む): 154712160

約数和(自身を除く): 73356250

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 353, 706, 1213, 1765, 2426, 3530, 6065, 6707, 12130, 13414, 23047, 33535, 46094, 67070, 115235, 230470, 428189, 856378, 2140945, 4281890, 8135591, 16271182, 40677955, 81355910]

約数ペア:

[(1, 81355910), (2, 40677955), (5, 16271182), (10, 8135591), (19, 4281890), (38, 2140945), (95, 856378), (190, 428189), (353, 230470), (706, 115235), (1213, 67070), (1765, 46094), (2426, 33535), (3530, 23047), (6065, 13414), (6707, 12130)]