29901508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 36505532

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 89, 91, 142, 169, 178, 182, 284, 338, 356, 364, 497, 623, 676, 923, 994, 1157, 1183, 1246, 1846, 1988, 2314, 2366, 2492, 3692, 4628, 4732, 6319, 6461, 8099, 11999, 12638, 12922, 15041, 16198, 23998, 25276, 25844, 30082, 32396, 44233, 47996, 60164, 82147, 83993, 88466, 105287, 164294, 167986, 176932, 210574, 328588, 335972, 421148, 575029, 1067911, 1150058, 2135822, 2300116, 4271644, 7475377, 14950754, 29901508]

約数ペア:

[(1, 29901508), (2, 14950754), (4, 7475377), (7, 4271644), (13, 2300116), (14, 2135822), (26, 1150058), (28, 1067911), (52, 575029), (71, 421148), (89, 335972), (91, 328588), (142, 210574), (169, 176932), (178, 167986), (182, 164294), (284, 105287), (338, 88466), (356, 83993), (364, 82147), (497, 60164), (623, 47996), (676, 44233), (923, 32396), (994, 30082), (1157, 25844), (1183, 25276), (1246, 23998), (1846, 16198), (1988, 15041), (2314, 12922), (2366, 12638), (2492, 11999), (3692, 8099), (4628, 6461), (4732, 6319)]