161215070

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 297409536

約数和(自身を除く): 136194466

約数列:

[1, 2, 5, 10, 61, 122, 127, 254, 305, 610, 635, 1270, 2081, 4162, 7747, 10405, 15494, 20810, 38735, 77470, 126941, 253882, 264287, 528574, 634705, 1269410, 1321435, 2642870, 16121507, 32243014, 80607535, 161215070]

約数ペア:

[(1, 161215070), (2, 80607535), (5, 32243014), (10, 16121507), (61, 2642870), (122, 1321435), (127, 1269410), (254, 634705), (305, 528574), (610, 264287), (635, 253882), (1270, 126941), (2081, 77470), (4162, 38735), (7747, 20810), (10405, 15494)]