281863764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{887}}^1$

素因数の和:1014

約数の個数: 144

約数和(自身を含む): 886948608

約数和(自身を除く): 605084844

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, 97, 117, 126, 156, 182, 194, 234, 252, 273, 291, 364, 388, 468, 546, 582, 679, 819, 873, 887, 1092, 1164, 1261, 1358, 1638, 1746, 1774, 2037, 2522, 2661, 2716, 3276, 3492, 3548, 3783, 4074, 5044, 5322, 6111, 6209, 7566, 7983, 8148, 8827, 10644, 11349, 11531, 12222, 12418, 15132, 15966, 17654, 18627, 22698, 23062, 24444, 24836, 26481, 31932, 34593, 35308, 37254, 45396, 46124, 52962, 55881, 69186, 74508, 79443, 80717, 86039, 103779, 105924, 111762, 138372, 158886, 161434, 172078, 207558, 223524, 242151, 258117, 317772, 322868, 344156, 415116, 484302, 516234, 602273, 726453, 774351, 968604, 1032468, 1118507, 1204546, 1452906, 1548702, 1806819, 2237014, 2409092, 2905812, 3097404, 3355521, 3613638, 4474028, 5420457, 6711042, 7227276, 7829549, 10066563, 10840914, 13422084, 15659098, 20133126, 21681828, 23488647, 31318196, 40266252, 46977294, 70465941, 93954588, 140931882, 281863764]

約数ペア:

[(1, 281863764), (2, 140931882), (3, 93954588), (4, 70465941), (6, 46977294), (7, 40266252), (9, 31318196), (12, 23488647), (13, 21681828), (14, 20133126), (18, 15659098), (21, 13422084), (26, 10840914), (28, 10066563), (36, 7829549), (39, 7227276), (42, 6711042), (52, 5420457), (63, 4474028), (78, 3613638), (84, 3355521), (91, 3097404), (97, 2905812), (117, 2409092), (126, 2237014), (156, 1806819), (182, 1548702), (194, 1452906), (234, 1204546), (252, 1118507), (273, 1032468), (291, 968604), (364, 774351), (388, 726453), (468, 602273), (546, 516234), (582, 484302), (679, 415116), (819, 344156), (873, 322868), (887, 317772), (1092, 258117), (1164, 242151), (1261, 223524), (1358, 207558), (1638, 172078), (1746, 161434), (1774, 158886), (2037, 138372), (2522, 111762), (2661, 105924), (2716, 103779), (3276, 86039), (3492, 80717), (3548, 79443), (3783, 74508), (4074, 69186), (5044, 55881), (5322, 52962), (6111, 46124), (6209, 45396), (7566, 37254), (7983, 35308), (8148, 34593), (8827, 31932), (10644, 26481), (11349, 24836), (11531, 24444), (12222, 23062), (12418, 22698), (15132, 18627), (15966, 17654)]