28697384

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26188216

約数列:

[1, 2, 4, 8, 131, 139, 197, 262, 278, 394, 524, 556, 788, 1048, 1112, 1576, 18209, 25807, 27383, 36418, 51614, 54766, 72836, 103228, 109532, 145672, 206456, 219064, 3587173, 7174346, 14348692, 28697384]

約数ペア:

[(1, 28697384), (2, 14348692), (4, 7174346), (8, 3587173), (131, 219064), (139, 206456), (197, 145672), (262, 109532), (278, 103228), (394, 72836), (524, 54766), (556, 51614), (788, 36418), (1048, 27383), (1112, 25807), (1576, 18209)]