78321748

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 149062144

約数和(自身を除く): 70740396

約数列:

[1, 2, 4, 31, 37, 43, 62, 74, 86, 124, 148, 172, 397, 794, 1147, 1333, 1588, 1591, 2294, 2666, 3182, 4588, 5332, 6364, 12307, 14689, 17071, 24614, 29378, 34142, 49228, 49321, 58756, 68284, 98642, 197284, 455359, 529201, 631627, 910718, 1058402, 1263254, 1821436, 2116804, 2526508, 19580437, 39160874, 78321748]

約数ペア:

[(1, 78321748), (2, 39160874), (4, 19580437), (31, 2526508), (37, 2116804), (43, 1821436), (62, 1263254), (74, 1058402), (86, 910718), (124, 631627), (148, 529201), (172, 455359), (397, 197284), (794, 98642), (1147, 68284), (1333, 58756), (1588, 49321), (1591, 49228), (2294, 34142), (2666, 29378), (3182, 24614), (4588, 17071), (5332, 14689), (6364, 12307)]