127913648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 256568400

約数和(自身を除く): 128654752

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1424, 2089, 3827, 4178, 7654, 8356, 15308, 16712, 30616, 33424, 61232, 89827, 179654, 185921, 359308, 371842, 718616, 743684, 1437232, 1487368, 2974736, 7994603, 15989206, 31978412, 63956824, 127913648]

約数ペア:

[(1, 127913648), (2, 63956824), (4, 31978412), (8, 15989206), (16, 7994603), (43, 2974736), (86, 1487368), (89, 1437232), (172, 743684), (178, 718616), (344, 371842), (356, 359308), (688, 185921), (712, 179654), (1424, 89827), (2089, 61232), (3827, 33424), (4178, 30616), (7654, 16712), (8356, 15308)]