128861166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 303022080

約数和(自身を除く): 174160914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 79, 142, 158, 213, 237, 426, 474, 497, 547, 553, 994, 1094, 1106, 1491, 1641, 1659, 2982, 3282, 3318, 3829, 5609, 7658, 11218, 11487, 16827, 22974, 33654, 38837, 39263, 43213, 77674, 78526, 86426, 116511, 117789, 129639, 233022, 235578, 259278, 271859, 302491, 543718, 604982, 815577, 907473, 1631154, 1814946, 3068123, 6136246, 9204369, 18408738, 21476861, 42953722, 64430583, 128861166]

約数ペア:

[(1, 128861166), (2, 64430583), (3, 42953722), (6, 21476861), (7, 18408738), (14, 9204369), (21, 6136246), (42, 3068123), (71, 1814946), (79, 1631154), (142, 907473), (158, 815577), (213, 604982), (237, 543718), (426, 302491), (474, 271859), (497, 259278), (547, 235578), (553, 233022), (994, 129639), (1094, 117789), (1106, 116511), (1491, 86426), (1641, 78526), (1659, 77674), (2982, 43213), (3282, 39263), (3318, 38837), (3829, 33654), (5609, 22974), (7658, 16827), (11218, 11487)]