217985976

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{232891}}^1$

素因数の和:232916

約数の個数: 48

約数和(自身を含む): 635795160

約数和(自身を除く): 417809184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 232891, 465782, 698673, 931564, 1397346, 1863128, 2096019, 2794692, 3027583, 4192038, 5589384, 6055166, 8384076, 9082749, 12110332, 16768152, 18165498, 24220664, 27248247, 36330996, 54496494, 72661992, 108992988, 217985976]

約数ペア:

[(1, 217985976), (2, 108992988), (3, 72661992), (4, 54496494), (6, 36330996), (8, 27248247), (9, 24220664), (12, 18165498), (13, 16768152), (18, 12110332), (24, 9082749), (26, 8384076), (36, 6055166), (39, 5589384), (52, 4192038), (72, 3027583), (78, 2794692), (104, 2096019), (117, 1863128), (156, 1397346), (234, 931564), (312, 698673), (468, 465782), (936, 232891)]