281007104

素因数分解:

$2^{10}\times 7^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 88

約数和(自身を含む): 648489600

約数和(自身を除く): 367482496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 199, 224, 256, 394, 398, 448, 512, 788, 796, 896, 1024, 1379, 1393, 1576, 1592, 1792, 2758, 2786, 3152, 3184, 3584, 5516, 5572, 6304, 6368, 7168, 11032, 11144, 12608, 12736, 22064, 22288, 25216, 25472, 39203, 44128, 44576, 50432, 50944, 78406, 88256, 89152, 100864, 101888, 156812, 176512, 178304, 201728, 203776, 274421, 313624, 353024, 356608, 548842, 627248, 706048, 713216, 1097684, 1254496, 1412096, 1426432, 2195368, 2508992, 4390736, 5017984, 8781472, 10035968, 17562944, 20071936, 35125888, 40143872, 70251776, 140503552, 281007104]

約数ペア:

[(1, 281007104), (2, 140503552), (4, 70251776), (7, 40143872), (8, 35125888), (14, 20071936), (16, 17562944), (28, 10035968), (32, 8781472), (56, 5017984), (64, 4390736), (112, 2508992), (128, 2195368), (197, 1426432), (199, 1412096), (224, 1254496), (256, 1097684), (394, 713216), (398, 706048), (448, 627248), (512, 548842), (788, 356608), (796, 353024), (896, 313624), (1024, 274421), (1379, 203776), (1393, 201728), (1576, 178304), (1592, 176512), (1792, 156812), (2758, 101888), (2786, 100864), (3152, 89152), (3184, 88256), (3584, 78406), (5516, 50944), (5572, 50432), (6304, 44576), (6368, 44128), (7168, 39203), (11032, 25472), (11144, 25216), (12608, 22288), (12736, 22064)]