129975808

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 80

約数和(自身を含む): 282839040

約数和(自身を除く): 152863232

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 431, 496, 512, 589, 608, 862, 992, 1178, 1216, 1724, 1984, 2356, 2432, 3448, 3968, 4712, 4864, 6896, 7936, 8189, 9424, 9728, 13361, 13792, 15872, 16378, 18848, 26722, 27584, 32756, 37696, 53444, 55168, 65512, 75392, 106888, 110336, 131024, 150784, 213776, 220672, 253859, 262048, 301568, 427552, 507718, 524096, 855104, 1015436, 1048192, 1710208, 2030872, 2096384, 3420416, 4061744, 4192768, 6840832, 8123488, 16246976, 32493952, 64987904, 129975808]

約数ペア:

[(1, 129975808), (2, 64987904), (4, 32493952), (8, 16246976), (16, 8123488), (19, 6840832), (31, 4192768), (32, 4061744), (38, 3420416), (62, 2096384), (64, 2030872), (76, 1710208), (124, 1048192), (128, 1015436), (152, 855104), (248, 524096), (256, 507718), (304, 427552), (431, 301568), (496, 262048), (512, 253859), (589, 220672), (608, 213776), (862, 150784), (992, 131024), (1178, 110336), (1216, 106888), (1724, 75392), (1984, 65512), (2356, 55168), (2432, 53444), (3448, 37696), (3968, 32756), (4712, 27584), (4864, 26722), (6896, 18848), (7936, 16378), (8189, 15872), (9424, 13792), (9728, 13361)]