668427942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{64433}}^1$

素因数の和:64477

約数の個数: 64

約数和(自身を含む): 1731985920

約数和(自身を除く): 1063557978

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 3458, 5187, 10374, 64433, 128866, 193299, 386598, 451031, 837629, 902062, 1224227, 1353093, 1675258, 2448454, 2512887, 2706186, 3672681, 5025774, 5863403, 7345362, 8569589, 11726806, 15914951, 17139178, 17590209, 25708767, 31829902, 35180418, 47744853, 51417534, 95489706, 111404657, 222809314, 334213971, 668427942]

約数ペア:

[(1, 668427942), (2, 334213971), (3, 222809314), (6, 111404657), (7, 95489706), (13, 51417534), (14, 47744853), (19, 35180418), (21, 31829902), (26, 25708767), (38, 17590209), (39, 17139178), (42, 15914951), (57, 11726806), (78, 8569589), (91, 7345362), (114, 5863403), (133, 5025774), (182, 3672681), (247, 2706186), (266, 2512887), (273, 2448454), (399, 1675258), (494, 1353093), (546, 1224227), (741, 902062), (798, 837629), (1482, 451031), (1729, 386598), (3458, 193299), (5187, 128866), (10374, 64433)]