206875705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 274982400

約数和(自身を除く): 68106695

約数列:

[1, 5, 19, 29, 61, 95, 145, 305, 551, 1159, 1231, 1769, 2755, 5795, 6155, 8845, 23389, 33611, 35699, 75091, 116945, 168055, 178495, 375455, 678281, 1426729, 2177639, 3391405, 7133645, 10888195, 41375141, 206875705]

約数ペア:

[(1, 206875705), (5, 41375141), (19, 10888195), (29, 7133645), (61, 3391405), (95, 2177639), (145, 1426729), (305, 678281), (551, 375455), (1159, 178495), (1231, 168055), (1769, 116945), (2755, 75091), (5795, 35699), (6155, 33611), (8845, 23389)]