78401638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1223}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 142179840

約数和(自身を除く): 63778202

約数列:

[1, 2, 7, 14, 19, 38, 133, 241, 266, 482, 1223, 1687, 2446, 3374, 4579, 8561, 9158, 17122, 23237, 32053, 46474, 64106, 162659, 294743, 325318, 589486, 2063201, 4126402, 5600117, 11200234, 39200819, 78401638]

約数ペア:

[(1, 78401638), (2, 39200819), (7, 11200234), (14, 5600117), (19, 4126402), (38, 2063201), (133, 589486), (241, 325318), (266, 294743), (482, 162659), (1223, 64106), (1687, 46474), (2446, 32053), (3374, 23237), (4579, 17122), (8561, 9158)]