216142199

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4507}}^1$

素因数の和:4575

約数の個数: 32

約数和(自身を含む): 290820096

約数和(自身を除く): 74677897

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 3689, 4507, 6851, 31549, 47957, 58591, 76619, 139717, 410137, 536333, 978019, 996047, 1816321, 2375189, 6972329, 12714247, 16626323, 30877457, 216142199]

約数ペア:

[(1, 216142199), (7, 30877457), (13, 16626323), (17, 12714247), (31, 6972329), (91, 2375189), (119, 1816321), (217, 996047), (221, 978019), (403, 536333), (527, 410137), (1547, 139717), (2821, 76619), (3689, 58591), (4507, 47957), (6851, 31549)]