218749776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{997}}^1$

素因数の和:1668

約数の個数: 80

約数和(自身を含む): 647470464

約数和(自身を除く): 428720688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 653, 997, 1306, 1959, 1994, 2612, 2991, 3918, 3988, 4571, 5224, 5982, 6979, 7836, 7976, 9142, 10448, 11964, 13713, 13958, 15672, 15952, 18284, 20937, 23928, 27426, 27916, 31344, 36568, 41874, 47856, 54852, 55832, 73136, 83748, 109704, 111664, 167496, 219408, 334992, 651041, 1302082, 1953123, 2604164, 3906246, 4557287, 5208328, 7812492, 9114574, 10416656, 13671861, 15624984, 18229148, 27343722, 31249968, 36458296, 54687444, 72916592, 109374888, 218749776]

約数ペア:

[(1, 218749776), (2, 109374888), (3, 72916592), (4, 54687444), (6, 36458296), (7, 31249968), (8, 27343722), (12, 18229148), (14, 15624984), (16, 13671861), (21, 10416656), (24, 9114574), (28, 7812492), (42, 5208328), (48, 4557287), (56, 3906246), (84, 2604164), (112, 1953123), (168, 1302082), (336, 651041), (653, 334992), (997, 219408), (1306, 167496), (1959, 111664), (1994, 109704), (2612, 83748), (2991, 73136), (3918, 55832), (3988, 54852), (4571, 47856), (5224, 41874), (5982, 36568), (6979, 31344), (7836, 27916), (7976, 27426), (9142, 23928), (10448, 20937), (11964, 18284), (13713, 15952), (13958, 15672)]