128419984

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{14891}}^1$

素因数の和:14924

約数の個数: 60

約数和(自身を含む): 315769968

約数和(自身を除く): 187349984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 14891, 29782, 59564, 104237, 119128, 163801, 208474, 238256, 327602, 416948, 655204, 729659, 833896, 1146607, 1310408, 1459318, 1667792, 2293214, 2620816, 2918636, 4586428, 5837272, 8026249, 9172856, 11674544, 16052498, 18345712, 32104996, 64209992, 128419984]

約数ペア:

[(1, 128419984), (2, 64209992), (4, 32104996), (7, 18345712), (8, 16052498), (11, 11674544), (14, 9172856), (16, 8026249), (22, 5837272), (28, 4586428), (44, 2918636), (49, 2620816), (56, 2293214), (77, 1667792), (88, 1459318), (98, 1310408), (112, 1146607), (154, 833896), (176, 729659), (196, 655204), (308, 416948), (392, 327602), (539, 238256), (616, 208474), (784, 163801), (1078, 119128), (1232, 104237), (2156, 59564), (4312, 29782), (8624, 14891)]