25055758

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 47918304

約数和(自身を除く): 22862546

約数列:

[1, 2, 7, 13, 14, 26, 49, 71, 91, 98, 142, 182, 277, 497, 554, 637, 923, 994, 1274, 1846, 1939, 3479, 3601, 3878, 6461, 6958, 7202, 12922, 13573, 19667, 25207, 27146, 39334, 45227, 50414, 90454, 137669, 176449, 255671, 275338, 352898, 511342, 963683, 1789697, 1927366, 3579394, 12527879, 25055758]

約数ペア:

[(1, 25055758), (2, 12527879), (7, 3579394), (13, 1927366), (14, 1789697), (26, 963683), (49, 511342), (71, 352898), (91, 275338), (98, 255671), (142, 176449), (182, 137669), (277, 90454), (497, 50414), (554, 45227), (637, 39334), (923, 27146), (994, 25207), (1274, 19667), (1846, 13573), (1939, 12922), (3479, 7202), (3601, 6958), (3878, 6461)]