313223911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 454164480

約数和(自身を除く): 140940569

約数列:

[1, 7, 11, 13, 19, 43, 77, 91, 133, 143, 209, 247, 301, 383, 473, 559, 817, 1001, 1463, 1729, 2681, 2717, 3311, 3913, 4213, 4979, 5719, 6149, 7277, 8987, 10621, 16469, 19019, 29491, 34853, 43043, 50939, 54769, 62909, 74347, 80047, 94601, 115283, 116831, 181159, 214097, 312911, 383383, 560329, 662207, 817817, 1040611, 1268113, 1498679, 2190377, 2355067, 3442021, 4067843, 7284277, 16485469, 24094147, 28474901, 44746273, 313223911]

約数ペア:

[(1, 313223911), (7, 44746273), (11, 28474901), (13, 24094147), (19, 16485469), (43, 7284277), (77, 4067843), (91, 3442021), (133, 2355067), (143, 2190377), (209, 1498679), (247, 1268113), (301, 1040611), (383, 817817), (473, 662207), (559, 560329), (817, 383383), (1001, 312911), (1463, 214097), (1729, 181159), (2681, 116831), (2717, 115283), (3311, 94601), (3913, 80047), (4213, 74347), (4979, 62909), (5719, 54769), (6149, 50939), (7277, 43043), (8987, 34853), (10621, 29491), (16469, 19019)]