87186916

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 154667520

約数和(自身を除く): 67480604

約数列:

[1, 2, 4, 139, 191, 278, 382, 556, 764, 821, 1642, 3284, 26549, 53098, 106196, 114119, 156811, 228238, 313622, 456476, 627244, 21796729, 43593458, 87186916]

約数ペア:

[(1, 87186916), (2, 43593458), (4, 21796729), (139, 627244), (191, 456476), (278, 313622), (382, 228238), (556, 156811), (764, 114119), (821, 106196), (1642, 53098), (3284, 26549)]