13409725

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 20732800

約数和(自身を除く): 7323075

約数列:

[1, 5, 7, 19, 25, 35, 37, 95, 109, 133, 175, 185, 259, 475, 545, 665, 703, 763, 925, 1295, 2071, 2725, 3325, 3515, 3815, 4033, 4921, 6475, 10355, 14497, 17575, 19075, 20165, 24605, 28231, 51775, 72485, 76627, 100825, 123025, 141155, 362425, 383135, 536389, 705775, 1915675, 2681945, 13409725]

約数ペア:

[(1, 13409725), (5, 2681945), (7, 1915675), (19, 705775), (25, 536389), (35, 383135), (37, 362425), (95, 141155), (109, 123025), (133, 100825), (175, 76627), (185, 72485), (259, 51775), (475, 28231), (545, 24605), (665, 20165), (703, 19075), (763, 17575), (925, 14497), (1295, 10355), (2071, 6475), (2725, 4921), (3325, 4033), (3515, 3815)]