208229367

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 294739200

約数和(自身を除く): 86509833

約数列:

[1, 3, 29, 67, 87, 139, 201, 257, 417, 771, 1943, 4031, 5829, 7453, 9313, 12093, 17219, 22359, 27939, 35723, 51657, 107169, 270077, 499351, 810231, 1035967, 1498053, 2393441, 3107901, 7180323, 69409789, 208229367]

約数ペア:

[(1, 208229367), (3, 69409789), (29, 7180323), (67, 3107901), (87, 2393441), (139, 1498053), (201, 1035967), (257, 810231), (417, 499351), (771, 270077), (1943, 107169), (4031, 51657), (5829, 35723), (7453, 27939), (9313, 22359), (12093, 17219)]