248986431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 426816000

約数和(自身を除く): 177829569

約数列:

[1, 3, 9, 19, 23, 29, 37, 57, 59, 69, 87, 111, 171, 177, 207, 261, 333, 437, 531, 551, 667, 703, 851, 1073, 1121, 1311, 1357, 1653, 1711, 2001, 2109, 2183, 2553, 3219, 3363, 3933, 4071, 4959, 5133, 6003, 6327, 6549, 7659, 9657, 10089, 12213, 12673, 15399, 16169, 19647, 20387, 24679, 25783, 32509, 38019, 39353, 41477, 48507, 50209, 61161, 63307, 74037, 77349, 97527, 114057, 118059, 124431, 145521, 150627, 183483, 189921, 222111, 232047, 292581, 354177, 373293, 451881, 468901, 569763, 747707, 953971, 1202833, 1406703, 1456061, 2243121, 2861913, 3608499, 4220109, 4368183, 6729363, 8585739, 10825497, 13104549, 27665159, 82995477, 248986431]

約数ペア:

[(1, 248986431), (3, 82995477), (9, 27665159), (19, 13104549), (23, 10825497), (29, 8585739), (37, 6729363), (57, 4368183), (59, 4220109), (69, 3608499), (87, 2861913), (111, 2243121), (171, 1456061), (177, 1406703), (207, 1202833), (261, 953971), (333, 747707), (437, 569763), (531, 468901), (551, 451881), (667, 373293), (703, 354177), (851, 292581), (1073, 232047), (1121, 222111), (1311, 189921), (1357, 183483), (1653, 150627), (1711, 145521), (2001, 124431), (2109, 118059), (2183, 114057), (2553, 97527), (3219, 77349), (3363, 74037), (3933, 63307), (4071, 61161), (4959, 50209), (5133, 48507), (6003, 41477), (6327, 39353), (6549, 38019), (7659, 32509), (9657, 25783), (10089, 24679), (12213, 20387), (12673, 19647), (15399, 16169)]