644564556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{3697}}^1$

素因数の和:3903

約数の個数: 72

約数和(自身を含む): 1696050720

約数和(自身を除く): 1051486164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 167, 174, 261, 334, 348, 501, 522, 668, 1002, 1044, 1503, 2004, 3006, 3697, 4843, 6012, 7394, 9686, 11091, 14529, 14788, 19372, 22182, 29058, 33273, 43587, 44364, 58116, 66546, 87174, 107213, 133092, 174348, 214426, 321639, 428852, 617399, 643278, 964917, 1234798, 1286556, 1852197, 1929834, 2469596, 3704394, 3859668, 5556591, 7408788, 11113182, 17904571, 22226364, 35809142, 53713713, 71618284, 107427426, 161141139, 214854852, 322282278, 644564556]

約数ペア:

[(1, 644564556), (2, 322282278), (3, 214854852), (4, 161141139), (6, 107427426), (9, 71618284), (12, 53713713), (18, 35809142), (29, 22226364), (36, 17904571), (58, 11113182), (87, 7408788), (116, 5556591), (167, 3859668), (174, 3704394), (261, 2469596), (334, 1929834), (348, 1852197), (501, 1286556), (522, 1234798), (668, 964917), (1002, 643278), (1044, 617399), (1503, 428852), (2004, 321639), (3006, 214426), (3697, 174348), (4843, 133092), (6012, 107213), (7394, 87174), (9686, 66546), (11091, 58116), (14529, 44364), (14788, 43587), (19372, 33273), (22182, 29058)]