144971996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 284497920

約数和(自身を除く): 139525924

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 139, 278, 403, 556, 647, 806, 1294, 1612, 1807, 2588, 3614, 4309, 7228, 8411, 8618, 16822, 17236, 20057, 33644, 40114, 56017, 80228, 89933, 112034, 179866, 224068, 260741, 359732, 521482, 1042964, 1169129, 2338258, 2787923, 4676516, 5575846, 11151692, 36242999, 72485998, 144971996]

約数ペア:

[(1, 144971996), (2, 72485998), (4, 36242999), (13, 11151692), (26, 5575846), (31, 4676516), (52, 2787923), (62, 2338258), (124, 1169129), (139, 1042964), (278, 521482), (403, 359732), (556, 260741), (647, 224068), (806, 179866), (1294, 112034), (1612, 89933), (1807, 80228), (2588, 56017), (3614, 40114), (4309, 33644), (7228, 20057), (8411, 17236), (8618, 16822)]