321003776

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 660232440

約数和(自身を除く): 339228664

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 89, 128, 146, 178, 193, 256, 292, 356, 386, 584, 712, 772, 1168, 1424, 1544, 2336, 2848, 3088, 4672, 5696, 6176, 6497, 9344, 11392, 12352, 12994, 14089, 17177, 18688, 22784, 24704, 25988, 28178, 34354, 49408, 51976, 56356, 68708, 103952, 112712, 137416, 207904, 225424, 274832, 415808, 450848, 549664, 831616, 901696, 1099328, 1253921, 1663232, 1803392, 2198656, 2507842, 3606784, 4397312, 5015684, 10031368, 20062736, 40125472, 80250944, 160501888, 321003776]

約数ペア:

[(1, 321003776), (2, 160501888), (4, 80250944), (8, 40125472), (16, 20062736), (32, 10031368), (64, 5015684), (73, 4397312), (89, 3606784), (128, 2507842), (146, 2198656), (178, 1803392), (193, 1663232), (256, 1253921), (292, 1099328), (356, 901696), (386, 831616), (584, 549664), (712, 450848), (772, 415808), (1168, 274832), (1424, 225424), (1544, 207904), (2336, 137416), (2848, 112712), (3088, 103952), (4672, 68708), (5696, 56356), (6176, 51976), (6497, 49408), (9344, 34354), (11392, 28178), (12352, 25988), (12994, 24704), (14089, 22784), (17177, 18688)]