890255524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 1680315840

約数和(自身を除く): 790060316

約数列:

[1, 2, 4, 17, 34, 68, 97, 139, 194, 278, 388, 556, 971, 1649, 1942, 2363, 3298, 3884, 4726, 6596, 9452, 13483, 16507, 26966, 33014, 53932, 66028, 94187, 134969, 188374, 229211, 269938, 376748, 458422, 539876, 916844, 1601179, 2294473, 3202358, 4588946, 6404716, 9177892, 13091993, 26183986, 52367972, 222563881, 445127762, 890255524]

約数ペア:

[(1, 890255524), (2, 445127762), (4, 222563881), (17, 52367972), (34, 26183986), (68, 13091993), (97, 9177892), (139, 6404716), (194, 4588946), (278, 3202358), (388, 2294473), (556, 1601179), (971, 916844), (1649, 539876), (1942, 458422), (2363, 376748), (3298, 269938), (3884, 229211), (4726, 188374), (6596, 134969), (9452, 94187), (13483, 66028), (16507, 53932), (26966, 33014)]