128251264

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{3467}}^1$

素因数の和:3515

約数の個数: 48

約数和(自身を含む): 271492380

約数和(自身を除く): 143241116

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 1088, 1156, 2176, 2312, 3467, 4624, 6934, 9248, 13868, 18496, 27736, 36992, 55472, 58939, 110944, 117878, 221888, 235756, 443776, 471512, 943024, 1001963, 1886048, 2003926, 3772096, 4007852, 7544192, 8015704, 16031408, 32062816, 64125632, 128251264]

約数ペア:

[(1, 128251264), (2, 64125632), (4, 32062816), (8, 16031408), (16, 8015704), (17, 7544192), (32, 4007852), (34, 3772096), (64, 2003926), (68, 1886048), (128, 1001963), (136, 943024), (272, 471512), (289, 443776), (544, 235756), (578, 221888), (1088, 117878), (1156, 110944), (2176, 58939), (2312, 55472), (3467, 36992), (4624, 27736), (6934, 18496), (9248, 13868)]