15871856

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 80

約数和(自身を含む): 41330688

約数和(自身を除く): 25458832

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 991, 1001, 1144, 1232, 1456, 1982, 2002, 2288, 3964, 4004, 6937, 7928, 8008, 10901, 12883, 13874, 15856, 16016, 21802, 25766, 27748, 43604, 51532, 55496, 76307, 87208, 90181, 103064, 110992, 141713, 152614, 174416, 180362, 206128, 283426, 305228, 360724, 566852, 610456, 721448, 991991, 1133704, 1220912, 1442896, 1983982, 2267408, 3967964, 7935928, 15871856]

約数ペア:

[(1, 15871856), (2, 7935928), (4, 3967964), (7, 2267408), (8, 1983982), (11, 1442896), (13, 1220912), (14, 1133704), (16, 991991), (22, 721448), (26, 610456), (28, 566852), (44, 360724), (52, 305228), (56, 283426), (77, 206128), (88, 180362), (91, 174416), (104, 152614), (112, 141713), (143, 110992), (154, 103064), (176, 90181), (182, 87208), (208, 76307), (286, 55496), (308, 51532), (364, 43604), (572, 27748), (616, 25766), (728, 21802), (991, 16016), (1001, 15856), (1144, 13874), (1232, 12883), (1456, 10901), (1982, 8008), (2002, 7928), (2288, 6937), (3964, 4004)]