256664772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78347}}^1$

素因数の和:78377

約数の個数: 72

約数和(自身を含む): 798522816

約数和(自身を除く): 541858044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 78347, 156694, 235041, 313388, 470082, 548429, 705123, 940164, 1018511, 1096858, 1410246, 1645287, 2037022, 2193716, 2820492, 3055533, 3290574, 4074044, 4935861, 6111066, 6581148, 7129577, 9166599, 9871722, 12222132, 14259154, 18333198, 19743444, 21388731, 28518308, 36666396, 42777462, 64166193, 85554924, 128332386, 256664772]

約数ペア:

[(1, 256664772), (2, 128332386), (3, 85554924), (4, 64166193), (6, 42777462), (7, 36666396), (9, 28518308), (12, 21388731), (13, 19743444), (14, 18333198), (18, 14259154), (21, 12222132), (26, 9871722), (28, 9166599), (36, 7129577), (39, 6581148), (42, 6111066), (52, 4935861), (63, 4074044), (78, 3290574), (84, 3055533), (91, 2820492), (117, 2193716), (126, 2037022), (156, 1645287), (182, 1410246), (234, 1096858), (252, 1018511), (273, 940164), (364, 705123), (468, 548429), (546, 470082), (819, 313388), (1092, 235041), (1638, 156694), (3276, 78347)]