31223696

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 78994944

約数和(自身を除く): 47771248

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 31, 34, 46, 56, 62, 68, 92, 112, 119, 124, 136, 161, 184, 217, 238, 248, 272, 322, 368, 391, 434, 476, 496, 527, 529, 644, 713, 782, 868, 952, 1054, 1058, 1288, 1426, 1564, 1736, 1904, 2108, 2116, 2576, 2737, 2852, 3128, 3472, 3689, 3703, 4216, 4232, 4991, 5474, 5704, 6256, 7378, 7406, 8432, 8464, 8993, 9982, 10948, 11408, 12121, 14756, 14812, 16399, 17986, 19964, 21896, 24242, 29512, 29624, 32798, 35972, 39928, 43792, 48484, 59024, 59248, 62951, 65596, 71944, 79856, 84847, 96968, 114793, 125902, 131192, 143888, 169694, 193936, 229586, 251804, 262384, 278783, 339388, 459172, 503608, 557566, 678776, 918344, 1007216, 1115132, 1357552, 1836688, 1951481, 2230264, 3902962, 4460528, 7805924, 15611848, 31223696]

約数ペア:

[(1, 31223696), (2, 15611848), (4, 7805924), (7, 4460528), (8, 3902962), (14, 2230264), (16, 1951481), (17, 1836688), (23, 1357552), (28, 1115132), (31, 1007216), (34, 918344), (46, 678776), (56, 557566), (62, 503608), (68, 459172), (92, 339388), (112, 278783), (119, 262384), (124, 251804), (136, 229586), (161, 193936), (184, 169694), (217, 143888), (238, 131192), (248, 125902), (272, 114793), (322, 96968), (368, 84847), (391, 79856), (434, 71944), (476, 65596), (496, 62951), (527, 59248), (529, 59024), (644, 48484), (713, 43792), (782, 39928), (868, 35972), (952, 32798), (1054, 29624), (1058, 29512), (1288, 24242), (1426, 21896), (1564, 19964), (1736, 17986), (1904, 16399), (2108, 14812), (2116, 14756), (2576, 12121), (2737, 11408), (2852, 10948), (3128, 9982), (3472, 8993), (3689, 8464), (3703, 8432), (4216, 7406), (4232, 7378), (4991, 6256), (5474, 5704)]