15985372

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 32387040

約数和(自身を除く): 16401668

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 107, 169, 214, 221, 338, 428, 442, 676, 884, 1391, 1819, 2197, 2782, 2873, 3638, 4394, 5564, 5746, 7276, 8788, 11492, 18083, 23647, 36166, 37349, 47294, 72332, 74698, 94588, 149396, 235079, 307411, 470158, 614822, 940316, 1229644, 3996343, 7992686, 15985372]

約数ペア:

[(1, 15985372), (2, 7992686), (4, 3996343), (13, 1229644), (17, 940316), (26, 614822), (34, 470158), (52, 307411), (68, 235079), (107, 149396), (169, 94588), (214, 74698), (221, 72332), (338, 47294), (428, 37349), (442, 36166), (676, 23647), (884, 18083), (1391, 11492), (1819, 8788), (2197, 7276), (2782, 5746), (2873, 5564), (3638, 4394)]