12781416564

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{7245701}}^1$

素因数の和:7245725

約数の個数: 54

約数和(自身を含む): 37583456274

約数和(自身を除く): 24802039710

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 7245701, 14491402, 21737103, 28982804, 43474206, 50719907, 65211309, 86948412, 101439814, 130422618, 152159721, 202879628, 260845236, 304319442, 355039349, 456479163, 608638884, 710078698, 912958326, 1065118047, 1420157396, 1825916652, 2130236094, 3195354141, 4260472188, 6390708282, 12781416564]

約数ペア:

[(1, 12781416564), (2, 6390708282), (3, 4260472188), (4, 3195354141), (6, 2130236094), (7, 1825916652), (9, 1420157396), (12, 1065118047), (14, 912958326), (18, 710078698), (21, 608638884), (28, 456479163), (36, 355039349), (42, 304319442), (49, 260845236), (63, 202879628), (84, 152159721), (98, 130422618), (126, 101439814), (147, 86948412), (196, 65211309), (252, 50719907), (294, 43474206), (441, 28982804), (588, 21737103), (882, 14491402), (1764, 7245701)]