401968

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 923552

約数和(自身を除く): 521584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 97, 112, 148, 194, 259, 296, 388, 518, 592, 679, 776, 1036, 1358, 1552, 2072, 2716, 3589, 4144, 5432, 7178, 10864, 14356, 25123, 28712, 50246, 57424, 100492, 200984, 401968]

約数ペア:

[(1, 401968), (2, 200984), (4, 100492), (7, 57424), (8, 50246), (14, 28712), (16, 25123), (28, 14356), (37, 10864), (56, 7178), (74, 5432), (97, 4144), (112, 3589), (148, 2716), (194, 2072), (259, 1552), (296, 1358), (388, 1036), (518, 776), (592, 679)]