254731568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3301}}^1$

素因数の和:3382

約数の個数: 80

約数和(自身を含む): 619085376

約数和(自身を除く): 364353808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 364, 371, 424, 689, 728, 742, 848, 1378, 1456, 1484, 2756, 2968, 3301, 4823, 5512, 5936, 6602, 9646, 11024, 13204, 19292, 23107, 26408, 38584, 42913, 46214, 52816, 77168, 85826, 92428, 171652, 174953, 184856, 300391, 343304, 349906, 369712, 600782, 686608, 699812, 1201564, 1224671, 1399624, 2274389, 2403128, 2449342, 2799248, 4548778, 4806256, 4898684, 9097556, 9797368, 15920723, 18195112, 19594736, 31841446, 36390224, 63682892, 127365784, 254731568]

約数ペア:

[(1, 254731568), (2, 127365784), (4, 63682892), (7, 36390224), (8, 31841446), (13, 19594736), (14, 18195112), (16, 15920723), (26, 9797368), (28, 9097556), (52, 4898684), (53, 4806256), (56, 4548778), (91, 2799248), (104, 2449342), (106, 2403128), (112, 2274389), (182, 1399624), (208, 1224671), (212, 1201564), (364, 699812), (371, 686608), (424, 600782), (689, 369712), (728, 349906), (742, 343304), (848, 300391), (1378, 184856), (1456, 174953), (1484, 171652), (2756, 92428), (2968, 85826), (3301, 77168), (4823, 52816), (5512, 46214), (5936, 42913), (6602, 38584), (9646, 26408), (11024, 23107), (13204, 19292)]