131026310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2999}}^1$

素因数の和:3280

約数の個数: 32

約数和(自身を含む): 250776000

約数和(自身を除く): 119749690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 2570, 2999, 4369, 5998, 8738, 14995, 21845, 29990, 43690, 50983, 101966, 254915, 509830, 770743, 1541486, 3853715, 7707430, 13102631, 26205262, 65513155, 131026310]

約数ペア:

[(1, 131026310), (2, 65513155), (5, 26205262), (10, 13102631), (17, 7707430), (34, 3853715), (85, 1541486), (170, 770743), (257, 509830), (514, 254915), (1285, 101966), (2570, 50983), (2999, 43690), (4369, 29990), (5998, 21845), (8738, 14995)]