289301012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72253}}^1$

素因数の和:72288

約数の個数: 48

約数和(自身を含む): 679765632

約数和(自身を除く): 390464620

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 72253, 144506, 289012, 505771, 794783, 939289, 1011542, 1589566, 1878578, 2023084, 3179132, 3757156, 5563481, 6575023, 10332179, 11126962, 13150046, 20664358, 22253924, 26300092, 41328716, 72325253, 144650506, 289301012]

約数ペア:

[(1, 289301012), (2, 144650506), (4, 72325253), (7, 41328716), (11, 26300092), (13, 22253924), (14, 20664358), (22, 13150046), (26, 11126962), (28, 10332179), (44, 6575023), (52, 5563481), (77, 3757156), (91, 3179132), (143, 2023084), (154, 1878578), (182, 1589566), (286, 1011542), (308, 939289), (364, 794783), (572, 505771), (1001, 289012), (2002, 144506), (4004, 72253)]