2555748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 7175168

約数和(自身を除く): 4619420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 127, 129, 156, 172, 234, 254, 258, 381, 387, 468, 508, 516, 559, 762, 774, 1118, 1143, 1524, 1548, 1651, 1677, 2236, 2286, 3302, 3354, 4572, 4953, 5031, 5461, 6604, 6708, 9906, 10062, 10922, 14859, 16383, 19812, 20124, 21844, 29718, 32766, 49149, 59436, 65532, 70993, 98298, 141986, 196596, 212979, 283972, 425958, 638937, 851916, 1277874, 2555748]

約数ペア:

[(1, 2555748), (2, 1277874), (3, 851916), (4, 638937), (6, 425958), (9, 283972), (12, 212979), (13, 196596), (18, 141986), (26, 98298), (36, 70993), (39, 65532), (43, 59436), (52, 49149), (78, 32766), (86, 29718), (117, 21844), (127, 20124), (129, 19812), (156, 16383), (172, 14859), (234, 10922), (254, 10062), (258, 9906), (381, 6708), (387, 6604), (468, 5461), (508, 5031), (516, 4953), (559, 4572), (762, 3354), (774, 3302), (1118, 2286), (1143, 2236), (1524, 1677), (1548, 1651)]