251694456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 714147840

約数和(自身を除く): 462453384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 53, 62, 78, 93, 104, 106, 124, 156, 159, 186, 212, 248, 312, 318, 372, 403, 424, 491, 636, 689, 744, 806, 982, 1209, 1272, 1378, 1473, 1612, 1643, 1964, 2067, 2418, 2756, 2946, 3224, 3286, 3928, 4134, 4836, 4929, 5512, 5892, 6383, 6572, 8268, 9672, 9858, 11784, 12766, 13144, 15221, 16536, 19149, 19716, 21359, 25532, 26023, 30442, 38298, 39432, 42718, 45663, 51064, 52046, 60884, 64077, 76596, 78069, 85436, 91326, 104092, 121768, 128154, 153192, 156138, 170872, 182652, 197873, 208184, 256308, 312276, 338299, 365304, 395746, 512616, 593619, 624552, 676598, 791492, 806713, 1014897, 1187238, 1353196, 1582984, 1613426, 2029794, 2374476, 2420139, 2706392, 3226852, 4059588, 4748952, 4840278, 6453704, 8119176, 9680556, 10487269, 19361112, 20974538, 31461807, 41949076, 62923614, 83898152, 125847228, 251694456]

約数ペア:

[(1, 251694456), (2, 125847228), (3, 83898152), (4, 62923614), (6, 41949076), (8, 31461807), (12, 20974538), (13, 19361112), (24, 10487269), (26, 9680556), (31, 8119176), (39, 6453704), (52, 4840278), (53, 4748952), (62, 4059588), (78, 3226852), (93, 2706392), (104, 2420139), (106, 2374476), (124, 2029794), (156, 1613426), (159, 1582984), (186, 1353196), (212, 1187238), (248, 1014897), (312, 806713), (318, 791492), (372, 676598), (403, 624552), (424, 593619), (491, 512616), (636, 395746), (689, 365304), (744, 338299), (806, 312276), (982, 256308), (1209, 208184), (1272, 197873), (1378, 182652), (1473, 170872), (1612, 156138), (1643, 153192), (1964, 128154), (2067, 121768), (2418, 104092), (2756, 91326), (2946, 85436), (3224, 78069), (3286, 76596), (3928, 64077), (4134, 60884), (4836, 52046), (4929, 51064), (5512, 45663), (5892, 42718), (6383, 39432), (6572, 38298), (8268, 30442), (9672, 26023), (9858, 25532), (11784, 21359), (12766, 19716), (13144, 19149), (15221, 16536)]