71908390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1783}}^1$

素因数の和:1936

約数の個数: 32

約数和(自身を含む): 134228160

約数和(自身を除く): 62319770

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 545, 1090, 1783, 3566, 4033, 8066, 8915, 17830, 20165, 40330, 65971, 131942, 194347, 329855, 388694, 659710, 971735, 1943470, 7190839, 14381678, 35954195, 71908390]

約数ペア:

[(1, 71908390), (2, 35954195), (5, 14381678), (10, 7190839), (37, 1943470), (74, 971735), (109, 659710), (185, 388694), (218, 329855), (370, 194347), (545, 131942), (1090, 65971), (1783, 40330), (3566, 20165), (4033, 17830), (8066, 8915)]