7917988

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 16193520

約数和(自身を除く): 8275532

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 169, 212, 221, 338, 442, 676, 689, 884, 901, 1378, 1802, 2197, 2756, 2873, 3604, 4394, 5746, 8788, 8957, 11492, 11713, 17914, 23426, 35828, 37349, 46852, 74698, 116441, 149396, 152269, 232882, 304538, 465764, 609076, 1979497, 3958994, 7917988]

約数ペア:

[(1, 7917988), (2, 3958994), (4, 1979497), (13, 609076), (17, 465764), (26, 304538), (34, 232882), (52, 152269), (53, 149396), (68, 116441), (106, 74698), (169, 46852), (212, 37349), (221, 35828), (338, 23426), (442, 17914), (676, 11713), (689, 11492), (884, 8957), (901, 8788), (1378, 5746), (1802, 4394), (2197, 3604), (2756, 2873)]