128269336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20219}}^1$

素因数の和:20299

約数の個数: 32

約数和(自身を含む): 263264400

約数和(自身を除く): 134995064

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 20219, 40438, 80876, 161752, 262847, 525694, 1051388, 1233359, 2102776, 2466718, 4933436, 9866872, 16033667, 32067334, 64134668, 128269336]

約数ペア:

[(1, 128269336), (2, 64134668), (4, 32067334), (8, 16033667), (13, 9866872), (26, 4933436), (52, 2466718), (61, 2102776), (104, 1233359), (122, 1051388), (244, 525694), (488, 262847), (793, 161752), (1586, 80876), (3172, 40438), (6344, 20219)]