55398889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^2$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 72175040

約数和(自身を除く): 16776151

約数列:

[1, 7, 13, 19, 91, 133, 179, 247, 1253, 1729, 2327, 3401, 16289, 23807, 32041, 44213, 224287, 309491, 416533, 608779, 2915731, 4261453, 7914127, 55398889]

約数ペア:

[(1, 55398889), (7, 7914127), (13, 4261453), (19, 2915731), (91, 608779), (133, 416533), (179, 309491), (247, 224287), (1253, 44213), (1729, 32041), (2327, 23807), (3401, 16289)]