51205889

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 63922176

約数和(自身を除く): 12716287

約数列:

[1, 7, 23, 47, 67, 101, 161, 329, 469, 707, 1081, 1541, 2323, 3149, 4747, 6767, 7567, 10787, 16261, 22043, 33229, 47369, 72427, 109181, 155641, 318049, 506989, 764267, 1089487, 2226343, 7315127, 51205889]

約数ペア:

[(1, 51205889), (7, 7315127), (23, 2226343), (47, 1089487), (67, 764267), (101, 506989), (161, 318049), (329, 155641), (469, 109181), (707, 72427), (1081, 47369), (1541, 33229), (2323, 22043), (3149, 16261), (4747, 10787), (6767, 7567)]