128021404

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 268531200

約数和(自身を除く): 140509796

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 269, 322, 538, 644, 739, 1076, 1478, 1883, 2956, 3766, 5173, 6187, 7532, 10346, 12374, 16997, 20692, 24748, 33994, 43309, 67988, 86618, 118979, 173236, 198791, 237958, 397582, 475916, 795164, 1391537, 2783074, 4572193, 5566148, 9144386, 18288772, 32005351, 64010702, 128021404]

約数ペア:

[(1, 128021404), (2, 64010702), (4, 32005351), (7, 18288772), (14, 9144386), (23, 5566148), (28, 4572193), (46, 2783074), (92, 1391537), (161, 795164), (269, 475916), (322, 397582), (538, 237958), (644, 198791), (739, 173236), (1076, 118979), (1478, 86618), (1883, 67988), (2956, 43309), (3766, 33994), (5173, 24748), (6187, 20692), (7532, 16997), (10346, 12374)]