1981403669462

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{887701}}^1$

素因数の和:887917

約数の個数: 64

約数和(自身を含む): 3626937323520

約数和(自身を除く): 1645533654058

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 139, 217, 259, 278, 434, 518, 973, 1147, 1946, 2294, 4309, 5143, 8029, 8618, 10286, 16058, 30163, 36001, 60326, 72002, 159433, 318866, 887701, 1116031, 1775402, 2232062, 6213907, 12427814, 27518731, 32844937, 55037462, 65689874, 123390439, 192631117, 229914559, 246780878, 385262234, 459829118, 863733073, 1018193047, 1727466146, 2036386094, 3825103609, 4565446243, 7127351329, 7650207218, 9130892486, 14254702658, 26775725263, 31958123701, 53551450526, 63916247402, 141528833533, 283057667066, 990701834731, 1981403669462]

約数ペア:

[(1, 1981403669462), (2, 990701834731), (7, 283057667066), (14, 141528833533), (31, 63916247402), (37, 53551450526), (62, 31958123701), (74, 26775725263), (139, 14254702658), (217, 9130892486), (259, 7650207218), (278, 7127351329), (434, 4565446243), (518, 3825103609), (973, 2036386094), (1147, 1727466146), (1946, 1018193047), (2294, 863733073), (4309, 459829118), (5143, 385262234), (8029, 246780878), (8618, 229914559), (10286, 192631117), (16058, 123390439), (30163, 65689874), (36001, 55037462), (60326, 32844937), (72002, 27518731), (159433, 12427814), (318866, 6213907), (887701, 2232062), (1116031, 1775402)]