4390048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 9515016

約数和(自身を除く): 5124968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 173, 208, 244, 346, 416, 488, 692, 793, 976, 1384, 1586, 1952, 2249, 2768, 3172, 4498, 5536, 6344, 8996, 10553, 12688, 17992, 21106, 25376, 35984, 42212, 71968, 84424, 137189, 168848, 274378, 337696, 548756, 1097512, 2195024, 4390048]

約数ペア:

[(1, 4390048), (2, 2195024), (4, 1097512), (8, 548756), (13, 337696), (16, 274378), (26, 168848), (32, 137189), (52, 84424), (61, 71968), (104, 42212), (122, 35984), (173, 25376), (208, 21106), (244, 17992), (346, 12688), (416, 10553), (488, 8996), (692, 6344), (793, 5536), (976, 4498), (1384, 3172), (1586, 2768), (1952, 2249)]