127760672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9907}}^1$

素因数の和:9961

約数の個数: 48

約数和(自身を含む): 279643392

約数和(自身を除く): 151882720

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 9907, 12896, 19814, 39628, 79256, 128791, 158512, 257582, 307117, 317024, 515164, 614234, 1030328, 1228468, 2060656, 2456936, 3992521, 4121312, 4913872, 7985042, 9827744, 15970084, 31940168, 63880336, 127760672]

約数ペア:

[(1, 127760672), (2, 63880336), (4, 31940168), (8, 15970084), (13, 9827744), (16, 7985042), (26, 4913872), (31, 4121312), (32, 3992521), (52, 2456936), (62, 2060656), (104, 1228468), (124, 1030328), (208, 614234), (248, 515164), (403, 317024), (416, 307117), (496, 257582), (806, 158512), (992, 128791), (1612, 79256), (3224, 39628), (6448, 19814), (9907, 12896)]