1286991888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{294641}}^1$

素因数の和:294672

約数の個数: 80

約数和(自身を含む): 4091988096

約数和(自身を除く): 2804996208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 294641, 589282, 883923, 1178564, 1767846, 2062487, 2357128, 3535692, 3830333, 4124974, 4714256, 6187461, 7071384, 7660666, 8249948, 11490999, 12374922, 14142768, 15321332, 16499896, 22981998, 24749844, 26812331, 30642664, 32999792, 45963996, 49499688, 53624662, 61285328, 80436993, 91927992, 98999376, 107249324, 160873986, 183855984, 214498648, 321747972, 428997296, 643495944, 1286991888]

約数ペア:

[(1, 1286991888), (2, 643495944), (3, 428997296), (4, 321747972), (6, 214498648), (7, 183855984), (8, 160873986), (12, 107249324), (13, 98999376), (14, 91927992), (16, 80436993), (21, 61285328), (24, 53624662), (26, 49499688), (28, 45963996), (39, 32999792), (42, 30642664), (48, 26812331), (52, 24749844), (56, 22981998), (78, 16499896), (84, 15321332), (91, 14142768), (104, 12374922), (112, 11490999), (156, 8249948), (168, 7660666), (182, 7071384), (208, 6187461), (273, 4714256), (312, 4124974), (336, 3830333), (364, 3535692), (546, 2357128), (624, 2062487), (728, 1767846), (1092, 1178564), (1456, 883923), (2184, 589282), (4368, 294641)]