90689872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 218041600

約数和(自身を除く): 127351728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 199, 208, 313, 364, 398, 626, 728, 796, 1252, 1393, 1456, 1592, 2191, 2504, 2587, 2786, 3184, 4069, 4382, 5008, 5174, 5572, 8138, 8764, 10348, 11144, 16276, 17528, 18109, 20696, 22288, 28483, 32552, 35056, 36218, 41392, 56966, 62287, 65104, 72436, 113932, 124574, 144872, 227864, 249148, 289744, 436009, 455728, 498296, 809731, 872018, 996592, 1619462, 1744036, 3238924, 3488072, 5668117, 6477848, 6976144, 11336234, 12955696, 22672468, 45344936, 90689872]

約数ペア:

[(1, 90689872), (2, 45344936), (4, 22672468), (7, 12955696), (8, 11336234), (13, 6976144), (14, 6477848), (16, 5668117), (26, 3488072), (28, 3238924), (52, 1744036), (56, 1619462), (91, 996592), (104, 872018), (112, 809731), (182, 498296), (199, 455728), (208, 436009), (313, 289744), (364, 249148), (398, 227864), (626, 144872), (728, 124574), (796, 113932), (1252, 72436), (1393, 65104), (1456, 62287), (1592, 56966), (2191, 41392), (2504, 36218), (2587, 35056), (2786, 32552), (3184, 28483), (4069, 22288), (4382, 20696), (5008, 18109), (5174, 17528), (5572, 16276), (8138, 11144), (8764, 10348)]