66438421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 85800960

約数和(自身を除く): 19362539

約数列:

[1, 7, 19, 23, 37, 133, 161, 259, 437, 587, 703, 851, 3059, 4109, 4921, 5957, 11153, 13501, 16169, 21719, 78071, 94507, 113183, 152033, 256519, 412661, 499537, 1795633, 2888627, 3496759, 9491203, 66438421]

約数ペア:

[(1, 66438421), (7, 9491203), (19, 3496759), (23, 2888627), (37, 1795633), (133, 499537), (161, 412661), (259, 256519), (437, 152033), (587, 113183), (703, 94507), (851, 78071), (3059, 21719), (4109, 16169), (4921, 13501), (5957, 11153)]