16881748

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 34186320

約数和(自身を除く): 17304572

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 113, 169, 221, 226, 338, 442, 452, 676, 884, 1469, 1921, 2197, 2873, 2938, 3842, 4394, 5746, 5876, 7684, 8788, 11492, 19097, 24973, 37349, 38194, 49946, 74698, 76388, 99892, 149396, 248261, 324649, 496522, 649298, 993044, 1298596, 4220437, 8440874, 16881748]

約数ペア:

[(1, 16881748), (2, 8440874), (4, 4220437), (13, 1298596), (17, 993044), (26, 649298), (34, 496522), (52, 324649), (68, 248261), (113, 149396), (169, 99892), (221, 76388), (226, 74698), (338, 49946), (442, 38194), (452, 37349), (676, 24973), (884, 19097), (1469, 11492), (1921, 8788), (2197, 7684), (2873, 5876), (2938, 5746), (3842, 4394)]