31105648

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 90

約数和(自身を含む): 75603048

約数和(自身を除く): 44497400

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 289, 434, 476, 496, 527, 578, 868, 952, 961, 1054, 1156, 1736, 1904, 1922, 2023, 2108, 2312, 3472, 3689, 3844, 4046, 4216, 4624, 6727, 7378, 7688, 8092, 8432, 8959, 13454, 14756, 15376, 16184, 16337, 17918, 26908, 29512, 32368, 32674, 35836, 53816, 59024, 62713, 65348, 71672, 107632, 114359, 125426, 130696, 143344, 228718, 250852, 261392, 277729, 457436, 501704, 555458, 914872, 1003408, 1110916, 1829744, 1944103, 2221832, 3888206, 4443664, 7776412, 15552824, 31105648]

約数ペア:

[(1, 31105648), (2, 15552824), (4, 7776412), (7, 4443664), (8, 3888206), (14, 2221832), (16, 1944103), (17, 1829744), (28, 1110916), (31, 1003408), (34, 914872), (56, 555458), (62, 501704), (68, 457436), (112, 277729), (119, 261392), (124, 250852), (136, 228718), (217, 143344), (238, 130696), (248, 125426), (272, 114359), (289, 107632), (434, 71672), (476, 65348), (496, 62713), (527, 59024), (578, 53816), (868, 35836), (952, 32674), (961, 32368), (1054, 29512), (1156, 26908), (1736, 17918), (1904, 16337), (1922, 16184), (2023, 15376), (2108, 14756), (2312, 13454), (3472, 8959), (3689, 8432), (3844, 8092), (4046, 7688), (4216, 7378), (4624, 6727)]