638062972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{177043}}^1$

素因数の和:177117

約数の個数: 24

約数和(自身を含む): 1204607376

約数和(自身を除く): 566544404

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 177043, 354086, 708172, 3009731, 6019462, 9383279, 12038924, 18766558, 37533116, 159515743, 319031486, 638062972]

約数ペア:

[(1, 638062972), (2, 319031486), (4, 159515743), (17, 37533116), (34, 18766558), (53, 12038924), (68, 9383279), (106, 6019462), (212, 3009731), (901, 708172), (1802, 354086), (3604, 177043)]