257996466

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22501}}^1$

素因数の和:22536

約数の個数: 72

約数和(自身を含む): 700307244

約数和(自身を除く): 442310778

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 11466, 22501, 45002, 67503, 135006, 157507, 202509, 292513, 315014, 405018, 472521, 585026, 877539, 945042, 1102549, 1417563, 1755078, 2047591, 2205098, 2632617, 2835126, 3307647, 4095182, 5265234, 6142773, 6615294, 9922941, 12285546, 14333137, 18428319, 19845882, 28666274, 36856638, 42999411, 85998822, 128998233, 257996466]

約数ペア:

[(1, 257996466), (2, 128998233), (3, 85998822), (6, 42999411), (7, 36856638), (9, 28666274), (13, 19845882), (14, 18428319), (18, 14333137), (21, 12285546), (26, 9922941), (39, 6615294), (42, 6142773), (49, 5265234), (63, 4095182), (78, 3307647), (91, 2835126), (98, 2632617), (117, 2205098), (126, 2047591), (147, 1755078), (182, 1417563), (234, 1102549), (273, 945042), (294, 877539), (441, 585026), (546, 472521), (637, 405018), (819, 315014), (882, 292513), (1274, 202509), (1638, 157507), (1911, 135006), (3822, 67503), (5733, 45002), (11466, 22501)]