218171856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{649321}}^1$

素因数の和:649339

約数の個数: 40

約数和(自身を含む): 644127424

約数和(自身を除く): 425955568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 649321, 1298642, 1947963, 2597284, 3895926, 4545247, 5194568, 7791852, 9090494, 10389136, 13635741, 15583704, 18180988, 27271482, 31167408, 36361976, 54542964, 72723952, 109085928, 218171856]

約数ペア:

[(1, 218171856), (2, 109085928), (3, 72723952), (4, 54542964), (6, 36361976), (7, 31167408), (8, 27271482), (12, 18180988), (14, 15583704), (16, 13635741), (21, 10389136), (24, 9090494), (28, 7791852), (42, 5194568), (48, 4545247), (56, 3895926), (84, 2597284), (112, 1947963), (168, 1298642), (336, 649321)]