31555808

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 40294432

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 43, 68, 71, 76, 86, 136, 142, 152, 172, 272, 284, 304, 323, 344, 544, 568, 608, 646, 688, 731, 817, 1136, 1207, 1292, 1349, 1376, 1462, 1634, 2272, 2414, 2584, 2698, 2924, 3053, 3268, 4828, 5168, 5396, 5848, 6106, 6536, 9656, 10336, 10792, 11696, 12212, 13072, 13889, 19312, 21584, 22933, 23392, 24424, 26144, 27778, 38624, 43168, 45866, 48848, 51901, 55556, 58007, 91732, 97696, 103802, 111112, 116014, 183464, 207604, 222224, 232028, 366928, 415208, 444448, 464056, 733856, 830416, 928112, 986119, 1660832, 1856224, 1972238, 3944476, 7888952, 15777904, 31555808]

約数ペア:

[(1, 31555808), (2, 15777904), (4, 7888952), (8, 3944476), (16, 1972238), (17, 1856224), (19, 1660832), (32, 986119), (34, 928112), (38, 830416), (43, 733856), (68, 464056), (71, 444448), (76, 415208), (86, 366928), (136, 232028), (142, 222224), (152, 207604), (172, 183464), (272, 116014), (284, 111112), (304, 103802), (323, 97696), (344, 91732), (544, 58007), (568, 55556), (608, 51901), (646, 48848), (688, 45866), (731, 43168), (817, 38624), (1136, 27778), (1207, 26144), (1292, 24424), (1349, 23392), (1376, 22933), (1462, 21584), (1634, 19312), (2272, 13889), (2414, 13072), (2584, 12212), (2698, 11696), (2924, 10792), (3053, 10336), (3268, 9656), (4828, 6536), (5168, 6106), (5396, 5848)]