838642623

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1319}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 1468938240

約数和(自身を除く): 630295617

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 137, 221, 273, 357, 411, 663, 959, 1319, 1547, 1781, 2329, 2877, 3957, 4641, 5343, 6987, 9233, 12467, 16303, 17147, 22423, 27699, 30277, 37401, 48909, 51441, 67269, 90831, 120029, 156961, 180703, 211939, 291499, 360087, 470883, 542109, 635817, 874497, 1264921, 2040493, 2349139, 3071951, 3794763, 6121479, 7047417, 9215853, 16443973, 21503657, 39935363, 49331919, 64510971, 119806089, 279547541, 838642623]

約数ペア:

[(1, 838642623), (3, 279547541), (7, 119806089), (13, 64510971), (17, 49331919), (21, 39935363), (39, 21503657), (51, 16443973), (91, 9215853), (119, 7047417), (137, 6121479), (221, 3794763), (273, 3071951), (357, 2349139), (411, 2040493), (663, 1264921), (959, 874497), (1319, 635817), (1547, 542109), (1781, 470883), (2329, 360087), (2877, 291499), (3957, 211939), (4641, 180703), (5343, 156961), (6987, 120029), (9233, 90831), (12467, 67269), (16303, 51441), (17147, 48909), (22423, 37401), (27699, 30277)]