212315831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 268692480

約数和(自身を除く): 56376649

約数列:

[1, 7, 13, 67, 91, 97, 359, 469, 679, 871, 1261, 2513, 4667, 6097, 6499, 8827, 24053, 32669, 34823, 45493, 84487, 168371, 243761, 312689, 452699, 591409, 2188823, 2333141, 3168893, 16331987, 30330833, 212315831]

約数ペア:

[(1, 212315831), (7, 30330833), (13, 16331987), (67, 3168893), (91, 2333141), (97, 2188823), (359, 591409), (469, 452699), (679, 312689), (871, 243761), (1261, 168371), (2513, 84487), (4667, 45493), (6097, 34823), (6499, 32669), (8827, 24053)]