128389984

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{13883}}^1$

素因数の和:13927

約数の個数: 36

約数和(自身を含む): 268530444

約数和(自身を除く): 140140460

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2312, 4624, 9248, 13883, 27766, 55532, 111064, 222128, 236011, 444256, 472022, 944044, 1888088, 3776176, 4012187, 7552352, 8024374, 16048748, 32097496, 64194992, 128389984]

約数ペア:

[(1, 128389984), (2, 64194992), (4, 32097496), (8, 16048748), (16, 8024374), (17, 7552352), (32, 4012187), (34, 3776176), (68, 1888088), (136, 944044), (272, 472022), (289, 444256), (544, 236011), (578, 222128), (1156, 111064), (2312, 55532), (4624, 27766), (9248, 13883)]