1898986544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1304249}}^1$

素因数の和:1304277

約数の個数: 40

約数和(自身を含む): 4528356000

約数和(自身を除く): 2629369456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1304249, 2608498, 5216996, 9129743, 10433992, 16955237, 18259486, 20867984, 33910474, 36518972, 67820948, 73037944, 118686659, 135641896, 146075888, 237373318, 271283792, 474746636, 949493272, 1898986544]

約数ペア:

[(1, 1898986544), (2, 949493272), (4, 474746636), (7, 271283792), (8, 237373318), (13, 146075888), (14, 135641896), (16, 118686659), (26, 73037944), (28, 67820948), (52, 36518972), (56, 33910474), (91, 20867984), (104, 18259486), (112, 16955237), (182, 10433992), (208, 9129743), (364, 5216996), (728, 2608498), (1456, 1304249)]