51887178

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 72

約数和(自身を含む): 132446340

約数和(自身を除く): 80559162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 89, 98, 126, 147, 178, 267, 294, 441, 534, 623, 661, 801, 882, 1246, 1322, 1602, 1869, 1983, 3738, 3966, 4361, 4627, 5607, 5949, 8722, 9254, 11214, 11898, 13083, 13881, 26166, 27762, 32389, 39249, 41643, 58829, 64778, 78498, 83286, 97167, 117658, 176487, 194334, 291501, 352974, 411803, 529461, 583002, 823606, 1058922, 1235409, 2470818, 2882621, 3706227, 5765242, 7412454, 8647863, 17295726, 25943589, 51887178]

約数ペア:

[(1, 51887178), (2, 25943589), (3, 17295726), (6, 8647863), (7, 7412454), (9, 5765242), (14, 3706227), (18, 2882621), (21, 2470818), (42, 1235409), (49, 1058922), (63, 823606), (89, 583002), (98, 529461), (126, 411803), (147, 352974), (178, 291501), (267, 194334), (294, 176487), (441, 117658), (534, 97167), (623, 83286), (661, 78498), (801, 64778), (882, 58829), (1246, 41643), (1322, 39249), (1602, 32389), (1869, 27762), (1983, 26166), (3738, 13881), (3966, 13083), (4361, 11898), (4627, 11214), (5607, 9254), (5949, 8722)]