64991876

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 116113536

約数和(自身を除く): 51121660

約数列:

[1, 2, 4, 67, 134, 197, 268, 394, 788, 1231, 2462, 4924, 13199, 26398, 52796, 82477, 164954, 242507, 329908, 485014, 970028, 16247969, 32495938, 64991876]

約数ペア:

[(1, 64991876), (2, 32495938), (4, 16247969), (67, 970028), (134, 485014), (197, 329908), (268, 242507), (394, 164954), (788, 82477), (1231, 52796), (2462, 26398), (4924, 13199)]