181391168

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 112

約数和(自身を含む): 437351424

約数和(自身を除く): 255960256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 112, 124, 148, 217, 224, 248, 259, 296, 353, 434, 448, 496, 518, 592, 706, 868, 992, 1036, 1147, 1184, 1412, 1736, 1984, 2072, 2294, 2368, 2471, 2824, 3472, 4144, 4588, 4942, 5648, 6944, 8029, 8288, 9176, 9884, 10943, 11296, 13061, 13888, 16058, 16576, 18352, 19768, 21886, 22592, 26122, 32116, 36704, 39536, 43772, 52244, 64232, 73408, 76601, 79072, 87544, 91427, 104488, 128464, 153202, 158144, 175088, 182854, 208976, 256928, 306404, 350176, 365708, 404891, 417952, 513856, 612808, 700352, 731416, 809782, 835904, 1225616, 1462832, 1619564, 2451232, 2834237, 2925664, 3239128, 4902464, 5668474, 5851328, 6478256, 11336948, 12956512, 22673896, 25913024, 45347792, 90695584, 181391168]

約数ペア:

[(1, 181391168), (2, 90695584), (4, 45347792), (7, 25913024), (8, 22673896), (14, 12956512), (16, 11336948), (28, 6478256), (31, 5851328), (32, 5668474), (37, 4902464), (56, 3239128), (62, 2925664), (64, 2834237), (74, 2451232), (112, 1619564), (124, 1462832), (148, 1225616), (217, 835904), (224, 809782), (248, 731416), (259, 700352), (296, 612808), (353, 513856), (434, 417952), (448, 404891), (496, 365708), (518, 350176), (592, 306404), (706, 256928), (868, 208976), (992, 182854), (1036, 175088), (1147, 158144), (1184, 153202), (1412, 128464), (1736, 104488), (1984, 91427), (2072, 87544), (2294, 79072), (2368, 76601), (2471, 73408), (2824, 64232), (3472, 52244), (4144, 43772), (4588, 39536), (4942, 36704), (5648, 32116), (6944, 26122), (8029, 22592), (8288, 21886), (9176, 19768), (9884, 18352), (10943, 16576), (11296, 16058), (13061, 13888)]