208595856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{620821}}^1$

素因数の和:620839

約数の個数: 40

約数和(自身を含む): 615855424

約数和(自身を除く): 407259568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 620821, 1241642, 1862463, 2483284, 3724926, 4345747, 4966568, 7449852, 8691494, 9933136, 13037241, 14899704, 17382988, 26074482, 29799408, 34765976, 52148964, 69531952, 104297928, 208595856]

約数ペア:

[(1, 208595856), (2, 104297928), (3, 69531952), (4, 52148964), (6, 34765976), (7, 29799408), (8, 26074482), (12, 17382988), (14, 14899704), (16, 13037241), (21, 9933136), (24, 8691494), (28, 7449852), (42, 4966568), (48, 4345747), (56, 3724926), (84, 2483284), (112, 1862463), (168, 1241642), (336, 620821)]