66555268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 129230640

約数和(自身を除く): 62675372

約数列:

[1, 2, 4, 13, 26, 52, 73, 89, 146, 178, 197, 292, 356, 394, 788, 949, 1157, 1898, 2314, 2561, 3796, 4628, 5122, 6497, 10244, 12994, 14381, 17533, 25988, 28762, 35066, 57524, 70132, 84461, 168922, 186953, 227929, 337844, 373906, 455858, 747812, 911716, 1279909, 2559818, 5119636, 16638817, 33277634, 66555268]

約数ペア:

[(1, 66555268), (2, 33277634), (4, 16638817), (13, 5119636), (26, 2559818), (52, 1279909), (73, 911716), (89, 747812), (146, 455858), (178, 373906), (197, 337844), (292, 227929), (356, 186953), (394, 168922), (788, 84461), (949, 70132), (1157, 57524), (1898, 35066), (2314, 28762), (2561, 25988), (3796, 17533), (4628, 14381), (5122, 12994), (6497, 10244)]