78640924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 154828800

約数和(自身を除く): 76187876

約数列:

[1, 2, 4, 19, 29, 31, 38, 58, 62, 76, 116, 124, 551, 589, 899, 1102, 1151, 1178, 1798, 2204, 2302, 2356, 3596, 4604, 17081, 21869, 33379, 34162, 35681, 43738, 66758, 68324, 71362, 87476, 133516, 142724, 634201, 677939, 1034749, 1268402, 1355878, 2069498, 2536804, 2711756, 4138996, 19660231, 39320462, 78640924]

約数ペア:

[(1, 78640924), (2, 39320462), (4, 19660231), (19, 4138996), (29, 2711756), (31, 2536804), (38, 2069498), (58, 1355878), (62, 1268402), (76, 1034749), (116, 677939), (124, 634201), (551, 142724), (589, 133516), (899, 87476), (1102, 71362), (1151, 68324), (1178, 66758), (1798, 43738), (2204, 35681), (2302, 34162), (2356, 33379), (3596, 21869), (4604, 17081)]