64918535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 97182720

約数和(自身を除く): 32264185

約数列:

[1, 5, 11, 19, 23, 37, 55, 73, 95, 115, 185, 209, 253, 365, 407, 437, 703, 803, 851, 1045, 1265, 1387, 1679, 2035, 2185, 2701, 3515, 4015, 4255, 4807, 6935, 7733, 8395, 9361, 13505, 15257, 16169, 18469, 24035, 29711, 31901, 38665, 46805, 51319, 62123, 76285, 80845, 92345, 148555, 159505, 177859, 256595, 310615, 350911, 564509, 683353, 889295, 1180337, 1754555, 2822545, 3416765, 5901685, 12983707, 64918535]

約数ペア:

[(1, 64918535), (5, 12983707), (11, 5901685), (19, 3416765), (23, 2822545), (37, 1754555), (55, 1180337), (73, 889295), (95, 683353), (115, 564509), (185, 350911), (209, 310615), (253, 256595), (365, 177859), (407, 159505), (437, 148555), (703, 92345), (803, 80845), (851, 76285), (1045, 62123), (1265, 51319), (1387, 46805), (1679, 38665), (2035, 31901), (2185, 29711), (2701, 24035), (3515, 18469), (4015, 16169), (4255, 15257), (4807, 13505), (6935, 9361), (7733, 8395)]