16994844

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 44684640

約数和(自身を除く): 27689796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 109, 122, 142, 183, 213, 218, 244, 284, 327, 366, 426, 436, 549, 639, 654, 732, 852, 981, 1098, 1278, 1308, 1962, 2196, 2556, 3924, 4331, 6649, 7739, 8662, 12993, 13298, 15478, 17324, 19947, 23217, 25986, 26596, 30956, 38979, 39894, 46434, 51972, 59841, 69651, 77958, 79788, 92868, 119682, 139302, 155916, 239364, 278604, 472079, 944158, 1416237, 1888316, 2832474, 4248711, 5664948, 8497422, 16994844]

約数ペア:

[(1, 16994844), (2, 8497422), (3, 5664948), (4, 4248711), (6, 2832474), (9, 1888316), (12, 1416237), (18, 944158), (36, 472079), (61, 278604), (71, 239364), (109, 155916), (122, 139302), (142, 119682), (183, 92868), (213, 79788), (218, 77958), (244, 69651), (284, 59841), (327, 51972), (366, 46434), (426, 39894), (436, 38979), (549, 30956), (639, 26596), (654, 25986), (732, 23217), (852, 19947), (981, 17324), (1098, 15478), (1278, 13298), (1308, 12993), (1962, 8662), (2196, 7739), (2556, 6649), (3924, 4331)]