161487235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1381}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 239605632

約数和(自身を除く): 78118397

約数列:

[1, 5, 7, 13, 35, 65, 91, 257, 455, 1285, 1381, 1799, 3341, 6905, 8995, 9667, 16705, 17953, 23387, 48335, 89765, 116935, 125671, 354917, 628355, 1774585, 2484419, 4613921, 12422095, 23069605, 32297447, 161487235]

約数ペア:

[(1, 161487235), (5, 32297447), (7, 23069605), (13, 12422095), (35, 4613921), (65, 2484419), (91, 1774585), (257, 628355), (455, 354917), (1285, 125671), (1381, 116935), (1799, 89765), (3341, 48335), (6905, 23387), (8995, 17953), (9667, 16705)]