215556588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1481}}^1$

素因数の和:1815

約数の個数: 72

約数和(自身を含む): 589077216

約数和(自身を除く): 373520628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 311, 468, 622, 933, 1244, 1481, 1866, 2799, 2962, 3732, 4043, 4443, 5598, 5924, 8086, 8886, 11196, 12129, 13329, 16172, 17772, 19253, 24258, 26658, 36387, 38506, 48516, 53316, 57759, 72774, 77012, 115518, 145548, 173277, 231036, 346554, 460591, 693108, 921182, 1381773, 1842364, 2763546, 4145319, 5527092, 5987683, 8290638, 11975366, 16581276, 17963049, 23950732, 35926098, 53889147, 71852196, 107778294, 215556588]

約数ペア:

[(1, 215556588), (2, 107778294), (3, 71852196), (4, 53889147), (6, 35926098), (9, 23950732), (12, 17963049), (13, 16581276), (18, 11975366), (26, 8290638), (36, 5987683), (39, 5527092), (52, 4145319), (78, 2763546), (117, 1842364), (156, 1381773), (234, 921182), (311, 693108), (468, 460591), (622, 346554), (933, 231036), (1244, 173277), (1481, 145548), (1866, 115518), (2799, 77012), (2962, 72774), (3732, 57759), (4043, 53316), (4443, 48516), (5598, 38506), (5924, 36387), (8086, 26658), (8886, 24258), (11196, 19253), (12129, 17772), (13329, 16172)]