400135079

素因数分解:

${\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 428544000

約数和(自身を除く): 28408921

約数列:

[1, 19, 79, 269, 991, 1501, 5111, 18829, 21251, 78289, 266579, 403769, 1487491, 5065001, 21059741, 400135079]

約数ペア:

[(1, 400135079), (19, 21059741), (79, 5065001), (269, 1487491), (991, 403769), (1501, 266579), (5111, 78289), (18829, 21251)]