257221346

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{3547}}^1$

素因数の和:4009

約数の個数: 16

約数和(自身を含む): 390847680

約数和(自身を除く): 133626334

約数列:

[1, 2, 101, 202, 359, 718, 3547, 7094, 36259, 72518, 358247, 716494, 1273373, 2546746, 128610673, 257221346]

約数ペア:

[(1, 257221346), (2, 128610673), (101, 2546746), (202, 1273373), (359, 716494), (718, 358247), (3547, 72518), (7094, 36259)]