641756654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 1291100160

約数和(自身を除く): 649343506

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 127, 133, 154, 157, 209, 242, 254, 266, 314, 418, 847, 889, 1099, 1397, 1463, 1694, 1727, 1778, 2198, 2299, 2413, 2794, 2926, 2983, 3454, 4598, 4826, 5966, 9779, 12089, 15367, 16093, 16891, 18997, 19558, 19939, 20881, 24178, 26543, 30734, 32186, 32813, 33782, 37994, 39878, 41762, 53086, 65626, 107569, 132979, 139573, 185801, 215138, 219329, 229691, 265958, 279146, 291973, 360943, 371602, 378841, 438658, 459382, 583946, 721886, 757682, 1535303, 2043811, 2412619, 2526601, 2651887, 3070606, 4087622, 4167251, 4825238, 5053202, 5303774, 8334502, 16888333, 29170757, 33776666, 45839761, 58341514, 91679522, 320878327, 641756654]

約数ペア:

[(1, 641756654), (2, 320878327), (7, 91679522), (11, 58341514), (14, 45839761), (19, 33776666), (22, 29170757), (38, 16888333), (77, 8334502), (121, 5303774), (127, 5053202), (133, 4825238), (154, 4167251), (157, 4087622), (209, 3070606), (242, 2651887), (254, 2526601), (266, 2412619), (314, 2043811), (418, 1535303), (847, 757682), (889, 721886), (1099, 583946), (1397, 459382), (1463, 438658), (1694, 378841), (1727, 371602), (1778, 360943), (2198, 291973), (2299, 279146), (2413, 265958), (2794, 229691), (2926, 219329), (2983, 215138), (3454, 185801), (4598, 139573), (4826, 132979), (5966, 107569), (9779, 65626), (12089, 53086), (15367, 41762), (16093, 39878), (16891, 37994), (18997, 33782), (19558, 32813), (19939, 32186), (20881, 30734), (24178, 26543)]