207438539

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4283}}^1$

素因数の和:4355

約数の個数: 32

約数和(自身を含む): 281304576

約数和(自身を除く): 73866037

約数列:

[1, 7, 11, 17, 37, 77, 119, 187, 259, 407, 629, 1309, 2849, 4283, 4403, 6919, 29981, 47113, 48433, 72811, 158471, 329791, 509677, 800921, 1109297, 1743181, 2694007, 5606447, 12202267, 18858049, 29634077, 207438539]

約数ペア:

[(1, 207438539), (7, 29634077), (11, 18858049), (17, 12202267), (37, 5606447), (77, 2694007), (119, 1743181), (187, 1109297), (259, 800921), (407, 509677), (629, 329791), (1309, 158471), (2849, 72811), (4283, 48433), (4403, 47113), (6919, 29981)]