399519414

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 1091155104

約数和(自身を除く): 691635690

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 37, 42, 51, 63, 71, 74, 102, 111, 119, 126, 142, 153, 213, 222, 238, 259, 306, 333, 357, 426, 497, 518, 629, 639, 666, 714, 777, 994, 1071, 1207, 1258, 1278, 1491, 1554, 1887, 2142, 2331, 2414, 2627, 2982, 3621, 3774, 4403, 4473, 4662, 5041, 5254, 5661, 7242, 7881, 8449, 8806, 8946, 10082, 10863, 11322, 13209, 15123, 15762, 16898, 18389, 21726, 23643, 25347, 26418, 30246, 35287, 36778, 39627, 44659, 45369, 47286, 50694, 55167, 70574, 76041, 79254, 85697, 89318, 90738, 105861, 110334, 133977, 152082, 165501, 171394, 186517, 211722, 257091, 267954, 312613, 317583, 331002, 373034, 401931, 514182, 559551, 599879, 625226, 635166, 771273, 803862, 937839, 1119102, 1199758, 1305619, 1542546, 1678653, 1799637, 1875678, 2611238, 2813517, 3170789, 3357306, 3599274, 3916857, 5398911, 5627034, 6341578, 7833714, 9512367, 10797822, 11750571, 19024734, 22195523, 23501142, 28537101, 44391046, 57074202, 66586569, 133173138, 199759707, 399519414]

約数ペア:

[(1, 399519414), (2, 199759707), (3, 133173138), (6, 66586569), (7, 57074202), (9, 44391046), (14, 28537101), (17, 23501142), (18, 22195523), (21, 19024734), (34, 11750571), (37, 10797822), (42, 9512367), (51, 7833714), (63, 6341578), (71, 5627034), (74, 5398911), (102, 3916857), (111, 3599274), (119, 3357306), (126, 3170789), (142, 2813517), (153, 2611238), (213, 1875678), (222, 1799637), (238, 1678653), (259, 1542546), (306, 1305619), (333, 1199758), (357, 1119102), (426, 937839), (497, 803862), (518, 771273), (629, 635166), (639, 625226), (666, 599879), (714, 559551), (777, 514182), (994, 401931), (1071, 373034), (1207, 331002), (1258, 317583), (1278, 312613), (1491, 267954), (1554, 257091), (1887, 211722), (2142, 186517), (2331, 171394), (2414, 165501), (2627, 152082), (2982, 133977), (3621, 110334), (3774, 105861), (4403, 90738), (4473, 89318), (4662, 85697), (5041, 79254), (5254, 76041), (5661, 70574), (7242, 55167), (7881, 50694), (8449, 47286), (8806, 45369), (8946, 44659), (10082, 39627), (10863, 36778), (11322, 35287), (13209, 30246), (15123, 26418), (15762, 25347), (16898, 23643), (18389, 21726)]