128408588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 285288192

約数和(自身を除く): 156879604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 151, 154, 242, 251, 302, 308, 484, 502, 604, 847, 1004, 1057, 1661, 1694, 1757, 2114, 2761, 3322, 3388, 3514, 4228, 5522, 6644, 7028, 11044, 11627, 18271, 19327, 23254, 30371, 36542, 37901, 38654, 46508, 60742, 73084, 75802, 77308, 121484, 127897, 151604, 212597, 255794, 265307, 416911, 425194, 511588, 530614, 833822, 850388, 1061228, 1667644, 2918377, 4586021, 5836754, 9172042, 11673508, 18344084, 32102147, 64204294, 128408588]

約数ペア:

[(1, 128408588), (2, 64204294), (4, 32102147), (7, 18344084), (11, 11673508), (14, 9172042), (22, 5836754), (28, 4586021), (44, 2918377), (77, 1667644), (121, 1061228), (151, 850388), (154, 833822), (242, 530614), (251, 511588), (302, 425194), (308, 416911), (484, 265307), (502, 255794), (604, 212597), (847, 151604), (1004, 127897), (1057, 121484), (1661, 77308), (1694, 75802), (1757, 73084), (2114, 60742), (2761, 46508), (3322, 38654), (3388, 37901), (3514, 36542), (4228, 30371), (5522, 23254), (6644, 19327), (7028, 18271), (11044, 11627)]