1640661306

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1\times {\mathrm{2003}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 3303618048

約数和(自身を除く): 1662956742

約数列:

[1, 2, 3, 6, 211, 422, 633, 647, 1266, 1294, 1941, 2003, 3882, 4006, 6009, 12018, 136517, 273034, 409551, 422633, 819102, 845266, 1267899, 1295941, 2535798, 2591882, 3887823, 7775646, 273443551, 546887102, 820330653, 1640661306]

約数ペア:

[(1, 1640661306), (2, 820330653), (3, 546887102), (6, 273443551), (211, 7775646), (422, 3887823), (633, 2591882), (647, 2535798), (1266, 1295941), (1294, 1267899), (1941, 845266), (2003, 819102), (3882, 422633), (4006, 409551), (6009, 273034), (12018, 136517)]