12920635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 19393920

約数和(自身を除く): 6473285

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 389, 455, 511, 949, 1945, 2555, 2723, 4745, 5057, 6643, 13615, 25285, 28397, 33215, 35399, 141985, 176995, 198779, 369161, 993895, 1845805, 2584127, 12920635]

約数ペア:

[(1, 12920635), (5, 2584127), (7, 1845805), (13, 993895), (35, 369161), (65, 198779), (73, 176995), (91, 141985), (365, 35399), (389, 33215), (455, 28397), (511, 25285), (949, 13615), (1945, 6643), (2555, 5057), (2723, 4745)]