394657968

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{673}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 1076458880

約数和(自身を除く): 681800912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 643, 673, 912, 1286, 1346, 1929, 2019, 2572, 2692, 3858, 4038, 5144, 5384, 7716, 8076, 10288, 10768, 12217, 12787, 15432, 16152, 24434, 25574, 30864, 32304, 36651, 38361, 48868, 51148, 73302, 76722, 97736, 102296, 146604, 153444, 195472, 204592, 293208, 306888, 432739, 586416, 613776, 865478, 1298217, 1730956, 2596434, 3461912, 5192868, 6923824, 8222041, 10385736, 16444082, 20771472, 24666123, 32888164, 49332246, 65776328, 98664492, 131552656, 197328984, 394657968]

約数ペア:

[(1, 394657968), (2, 197328984), (3, 131552656), (4, 98664492), (6, 65776328), (8, 49332246), (12, 32888164), (16, 24666123), (19, 20771472), (24, 16444082), (38, 10385736), (48, 8222041), (57, 6923824), (76, 5192868), (114, 3461912), (152, 2596434), (228, 1730956), (304, 1298217), (456, 865478), (643, 613776), (673, 586416), (912, 432739), (1286, 306888), (1346, 293208), (1929, 204592), (2019, 195472), (2572, 153444), (2692, 146604), (3858, 102296), (4038, 97736), (5144, 76722), (5384, 73302), (7716, 51148), (8076, 48868), (10288, 38361), (10768, 36651), (12217, 32304), (12787, 30864), (15432, 25574), (16152, 24434)]