137799305

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 209510400

約数和(自身を除く): 71711095

約数列:

[1, 5, 7, 19, 35, 43, 61, 79, 95, 133, 215, 301, 305, 395, 427, 553, 665, 817, 1159, 1501, 1505, 2135, 2623, 2765, 3397, 4085, 4819, 5719, 5795, 7505, 8113, 10507, 13115, 16985, 18361, 23779, 24095, 28595, 33733, 40565, 49837, 52535, 64543, 91561, 91805, 118895, 168665, 207217, 249185, 322715, 348859, 451801, 457805, 640927, 1036085, 1450519, 1744295, 2259005, 3204635, 3937123, 7252595, 19685615, 27559861, 137799305]

約数ペア:

[(1, 137799305), (5, 27559861), (7, 19685615), (19, 7252595), (35, 3937123), (43, 3204635), (61, 2259005), (79, 1744295), (95, 1450519), (133, 1036085), (215, 640927), (301, 457805), (305, 451801), (395, 348859), (427, 322715), (553, 249185), (665, 207217), (817, 168665), (1159, 118895), (1501, 91805), (1505, 91561), (2135, 64543), (2623, 52535), (2765, 49837), (3397, 40565), (4085, 33733), (4819, 28595), (5719, 24095), (5795, 23779), (7505, 18361), (8113, 16985), (10507, 13115)]