1020874686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 2255855616

約数和(自身を除く): 1234980930

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 281, 282, 562, 611, 843, 991, 1222, 1686, 1833, 1982, 2973, 3653, 3666, 5946, 7306, 10959, 12883, 13207, 21918, 25766, 26414, 38649, 39621, 46577, 77298, 79242, 93154, 139731, 171691, 278471, 279462, 343382, 515073, 556942, 605501, 835413, 1030146, 1211002, 1670826, 1816503, 3620123, 3633006, 7240246, 10860369, 13088137, 21720738, 26176274, 39264411, 78528822, 170145781, 340291562, 510437343, 1020874686]

約数ペア:

[(1, 1020874686), (2, 510437343), (3, 340291562), (6, 170145781), (13, 78528822), (26, 39264411), (39, 26176274), (47, 21720738), (78, 13088137), (94, 10860369), (141, 7240246), (281, 3633006), (282, 3620123), (562, 1816503), (611, 1670826), (843, 1211002), (991, 1030146), (1222, 835413), (1686, 605501), (1833, 556942), (1982, 515073), (2973, 343382), (3653, 279462), (3666, 278471), (5946, 171691), (7306, 139731), (10959, 93154), (12883, 79242), (13207, 77298), (21918, 46577), (25766, 39621), (26414, 38649)]