388697673

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1373}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 686956032

約数和(自身を除く): 298258359

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 61, 91, 119, 183, 221, 273, 357, 427, 663, 793, 1037, 1281, 1373, 1547, 2379, 3111, 4119, 4641, 5551, 7259, 9611, 13481, 16653, 17849, 21777, 23341, 28833, 40443, 53547, 70023, 83753, 94367, 124943, 163387, 251259, 283101, 303433, 374829, 490161, 586271, 910299, 1088789, 1423801, 1758813, 2124031, 3266367, 4271403, 6372093, 7621523, 9966607, 18509413, 22864569, 29899821, 55528239, 129565891, 388697673]

約数ペア:

[(1, 388697673), (3, 129565891), (7, 55528239), (13, 29899821), (17, 22864569), (21, 18509413), (39, 9966607), (51, 7621523), (61, 6372093), (91, 4271403), (119, 3266367), (183, 2124031), (221, 1758813), (273, 1423801), (357, 1088789), (427, 910299), (663, 586271), (793, 490161), (1037, 374829), (1281, 303433), (1373, 283101), (1547, 251259), (2379, 163387), (3111, 124943), (4119, 94367), (4641, 83753), (5551, 70023), (7259, 53547), (9611, 40443), (13481, 28833), (16653, 23341), (17849, 21777)]