1285149710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{15139}}^1$

素因数の和:15812

約数の個数: 32

約数和(自身を含む): 2495193120

約数和(自身を除く): 1210043410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 653, 1306, 3265, 6530, 8489, 15139, 16978, 30278, 42445, 75695, 84890, 151390, 196807, 393614, 984035, 1968070, 9885767, 19771534, 49428835, 98857670, 128514971, 257029942, 642574855, 1285149710]

約数ペア:

[(1, 1285149710), (2, 642574855), (5, 257029942), (10, 128514971), (13, 98857670), (26, 49428835), (65, 19771534), (130, 9885767), (653, 1968070), (1306, 984035), (3265, 393614), (6530, 196807), (8489, 151390), (15139, 84890), (16978, 75695), (30278, 42445)]