207902009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 259276800

約数和(自身を除く): 51374791

約数列:

[1, 7, 19, 47, 79, 133, 329, 421, 553, 893, 1501, 2947, 3713, 6251, 7999, 10507, 19787, 25991, 33259, 55993, 70547, 138509, 232813, 375953, 493829, 631921, 1563173, 2631671, 4423447, 10942211, 29700287, 207902009]

約数ペア:

[(1, 207902009), (7, 29700287), (19, 10942211), (47, 4423447), (79, 2631671), (133, 1563173), (329, 631921), (421, 493829), (553, 375953), (893, 232813), (1501, 138509), (2947, 70547), (3713, 55993), (6251, 33259), (7999, 25991), (10507, 19787)]