129961976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{3251}}^1$

素因数の和:3539

約数の個数: 32

約数和(自身を含む): 257558400

約数和(自身を除く): 127596424

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 263, 526, 1052, 2104, 3251, 4997, 6502, 9994, 13004, 19988, 26008, 39976, 61769, 123538, 247076, 494152, 855013, 1710026, 3420052, 6840104, 16245247, 32490494, 64980988, 129961976]

約数ペア:

[(1, 129961976), (2, 64980988), (4, 32490494), (8, 16245247), (19, 6840104), (38, 3420052), (76, 1710026), (152, 855013), (263, 494152), (526, 247076), (1052, 123538), (2104, 61769), (3251, 39976), (4997, 26008), (6502, 19988), (9994, 13004)]