31889144

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 79833600

約数和(自身を除く): 47944456

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 41, 43, 56, 68, 76, 82, 86, 119, 133, 136, 152, 164, 172, 238, 266, 287, 301, 323, 328, 344, 476, 532, 574, 602, 646, 697, 731, 779, 817, 952, 1064, 1148, 1204, 1292, 1394, 1462, 1558, 1634, 1763, 2261, 2296, 2408, 2584, 2788, 2924, 3116, 3268, 3526, 4522, 4879, 5117, 5453, 5576, 5719, 5848, 6232, 6536, 7052, 9044, 9758, 10234, 10906, 11438, 12341, 13243, 13889, 14104, 18088, 19516, 20468, 21812, 22876, 24682, 26486, 27778, 29971, 33497, 39032, 40936, 43624, 45752, 49364, 52972, 55556, 59942, 66994, 92701, 97223, 98728, 105944, 111112, 119884, 133988, 185402, 194446, 209797, 234479, 239768, 267976, 370804, 388892, 419594, 468958, 569449, 741608, 777784, 839188, 937916, 1138898, 1678376, 1875832, 2277796, 3986143, 4555592, 7972286, 15944572, 31889144]

約数ペア:

[(1, 31889144), (2, 15944572), (4, 7972286), (7, 4555592), (8, 3986143), (14, 2277796), (17, 1875832), (19, 1678376), (28, 1138898), (34, 937916), (38, 839188), (41, 777784), (43, 741608), (56, 569449), (68, 468958), (76, 419594), (82, 388892), (86, 370804), (119, 267976), (133, 239768), (136, 234479), (152, 209797), (164, 194446), (172, 185402), (238, 133988), (266, 119884), (287, 111112), (301, 105944), (323, 98728), (328, 97223), (344, 92701), (476, 66994), (532, 59942), (574, 55556), (602, 52972), (646, 49364), (697, 45752), (731, 43624), (779, 40936), (817, 39032), (952, 33497), (1064, 29971), (1148, 27778), (1204, 26486), (1292, 24682), (1394, 22876), (1462, 21812), (1558, 20468), (1634, 19516), (1763, 18088), (2261, 14104), (2296, 13889), (2408, 13243), (2584, 12341), (2788, 11438), (2924, 10906), (3116, 10234), (3268, 9758), (3526, 9044), (4522, 7052), (4879, 6536), (5117, 6232), (5453, 5848), (5576, 5719)]