259554568

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 641855340

約数和(自身を除く): 382300772

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 53, 56, 62, 91, 98, 104, 106, 124, 182, 196, 212, 217, 248, 364, 371, 392, 403, 424, 434, 637, 689, 728, 742, 806, 868, 961, 1274, 1378, 1484, 1519, 1612, 1643, 1736, 1922, 2548, 2597, 2756, 2821, 2968, 3038, 3224, 3286, 3844, 4823, 5096, 5194, 5512, 5642, 6076, 6572, 6727, 7688, 9646, 10388, 11284, 11501, 12152, 12493, 13144, 13454, 19292, 19747, 20776, 21359, 22568, 23002, 24986, 26908, 33761, 38584, 39494, 42718, 46004, 47089, 49972, 50933, 53816, 67522, 78988, 80507, 85436, 87451, 92008, 94178, 99944, 101866, 135044, 149513, 157976, 161014, 170872, 174902, 188356, 203732, 270088, 299026, 322028, 349804, 356531, 376712, 407464, 598052, 612157, 644056, 662129, 699608, 713062, 1046591, 1196104, 1224314, 1324258, 1426124, 2093182, 2448628, 2495717, 2648516, 2852248, 4186364, 4634903, 4897256, 4991434, 5297032, 8372728, 9269806, 9982868, 18539612, 19965736, 32444321, 37079224, 64888642, 129777284, 259554568]

約数ペア:

[(1, 259554568), (2, 129777284), (4, 64888642), (7, 37079224), (8, 32444321), (13, 19965736), (14, 18539612), (26, 9982868), (28, 9269806), (31, 8372728), (49, 5297032), (52, 4991434), (53, 4897256), (56, 4634903), (62, 4186364), (91, 2852248), (98, 2648516), (104, 2495717), (106, 2448628), (124, 2093182), (182, 1426124), (196, 1324258), (212, 1224314), (217, 1196104), (248, 1046591), (364, 713062), (371, 699608), (392, 662129), (403, 644056), (424, 612157), (434, 598052), (637, 407464), (689, 376712), (728, 356531), (742, 349804), (806, 322028), (868, 299026), (961, 270088), (1274, 203732), (1378, 188356), (1484, 174902), (1519, 170872), (1612, 161014), (1643, 157976), (1736, 149513), (1922, 135044), (2548, 101866), (2597, 99944), (2756, 94178), (2821, 92008), (2968, 87451), (3038, 85436), (3224, 80507), (3286, 78988), (3844, 67522), (4823, 53816), (5096, 50933), (5194, 49972), (5512, 47089), (5642, 46004), (6076, 42718), (6572, 39494), (6727, 38584), (7688, 33761), (9646, 26908), (10388, 24986), (11284, 23002), (11501, 22568), (12152, 21359), (12493, 20776), (13144, 19747), (13454, 19292)]