156749528

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 320176800

約数和(自身を除く): 163427272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 269, 338, 431, 538, 676, 862, 1076, 1352, 1724, 2152, 3448, 3497, 5603, 6994, 11206, 13988, 22412, 27976, 44824, 45461, 72839, 90922, 115939, 145678, 181844, 231878, 291356, 363688, 463756, 582712, 927512, 1507207, 3014414, 6028828, 12057656, 19593691, 39187382, 78374764, 156749528]

約数ペア:

[(1, 156749528), (2, 78374764), (4, 39187382), (8, 19593691), (13, 12057656), (26, 6028828), (52, 3014414), (104, 1507207), (169, 927512), (269, 582712), (338, 463756), (431, 363688), (538, 291356), (676, 231878), (862, 181844), (1076, 145678), (1352, 115939), (1724, 90922), (2152, 72839), (3448, 45461), (3497, 44824), (5603, 27976), (6994, 22412), (11206, 13988)]