256987444

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1657}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 534804480

約数和(自身を除く): 277817036

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 191, 203, 382, 406, 764, 812, 1337, 1657, 2674, 3314, 5348, 5539, 6628, 11078, 11599, 22156, 23198, 38773, 46396, 48053, 77546, 96106, 155092, 192212, 316487, 336371, 632974, 672742, 1265948, 1345484, 2215409, 4430818, 8861636, 9178123, 18356246, 36712492, 64246861, 128493722, 256987444]

約数ペア:

[(1, 256987444), (2, 128493722), (4, 64246861), (7, 36712492), (14, 18356246), (28, 9178123), (29, 8861636), (58, 4430818), (116, 2215409), (191, 1345484), (203, 1265948), (382, 672742), (406, 632974), (764, 336371), (812, 316487), (1337, 192212), (1657, 155092), (2674, 96106), (3314, 77546), (5348, 48053), (5539, 46396), (6628, 38773), (11078, 23198), (11599, 22156)]