31481528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1117}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 63860160

約数和(自身を除く): 32378632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 1117, 2168, 2234, 3523, 4468, 7046, 8936, 14092, 14521, 28184, 29042, 58084, 116168, 302707, 605414, 1210828, 2421656, 3935191, 7870382, 15740764, 31481528]

約数ペア:

[(1, 31481528), (2, 15740764), (4, 7870382), (8, 3935191), (13, 2421656), (26, 1210828), (52, 605414), (104, 302707), (271, 116168), (542, 58084), (1084, 29042), (1117, 28184), (2168, 14521), (2234, 14092), (3523, 8936), (4468, 7046)]