1639778742

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1783}}^1$

素因数の和:2615

約数の個数: 80

約数和(自身を含む): 4206757632

約数和(自身を除く): 2566978890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 811, 1134, 1622, 1783, 2433, 3566, 4866, 5349, 5677, 7299, 10698, 11354, 12481, 14598, 16047, 17031, 21897, 24962, 32094, 34062, 37443, 43794, 48141, 51093, 65691, 74886, 96282, 102186, 112329, 131382, 144423, 153279, 224658, 288846, 306558, 336987, 459837, 673974, 919674, 1010961, 1446013, 2021922, 2892026, 4338039, 8676078, 10122091, 13014117, 20244182, 26028234, 30366273, 39042351, 60732546, 78084702, 91098819, 117127053, 182197638, 234254106, 273296457, 546592914, 819889371, 1639778742]

約数ペア:

[(1, 1639778742), (2, 819889371), (3, 546592914), (6, 273296457), (7, 234254106), (9, 182197638), (14, 117127053), (18, 91098819), (21, 78084702), (27, 60732546), (42, 39042351), (54, 30366273), (63, 26028234), (81, 20244182), (126, 13014117), (162, 10122091), (189, 8676078), (378, 4338039), (567, 2892026), (811, 2021922), (1134, 1446013), (1622, 1010961), (1783, 919674), (2433, 673974), (3566, 459837), (4866, 336987), (5349, 306558), (5677, 288846), (7299, 224658), (10698, 153279), (11354, 144423), (12481, 131382), (14598, 112329), (16047, 102186), (17031, 96282), (21897, 74886), (24962, 65691), (32094, 51093), (34062, 48141), (37443, 43794)]