217025008

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{171697}}^1$

素因数の和:171784

約数の個数: 20

約数和(自身を含む): 425811040

約数和(自身を除く): 208786032

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 171697, 343394, 686788, 1373576, 2747152, 13564063, 27128126, 54256252, 108512504, 217025008]

約数ペア:

[(1, 217025008), (2, 108512504), (4, 54256252), (8, 27128126), (16, 13564063), (79, 2747152), (158, 1373576), (316, 686788), (632, 343394), (1264, 171697)]